Home

Please Click here to the Instructions PDF File

1. j 1 j j j 02p P RD j l LLLLL LLL 1 o2 vsp s Yw _ 1 lo2u u we S i JL LILLLL LLL Jj MAP WHITE VIOLET B d dig j met gt FUEL PRESSURE WHITE BLACK eee n ATS WHITE PINK Ooo o BATERY CORED oOo 1 12v SWITCHED aoa oo _ uu J REFERENCE RED WHITE ANALOG GND Black PNK DIGITAL GND BLACK WHITE Y POWER GND BLACK _ j j M C j n POWER GND BLACK _ j j 5S2 F 511 CAN LINK S1 b TWiST TWIST N LZ 1 EL T M AWA 2 UU Te Ub RELAY 04 TWIST S2 a YEL VD Jom ae ae dee de VA A B e T TE n n a 2 al 188 D D 3 3 x m gt LL LL LL n LL gt gt gt 5 2 amp h 9 E x lt 5 7 x x WIRE SIDE VIEW Sle 3 Lu 3 amp Wala uU 2 oj A 8 m m a f E z S lt xzg g s Z 5 A O Y d mi o 2 L www fuelatrspark corn EZ EFI 2 0 MAIN n RES Ad F B z x N OX 2 1234 N gt O gt e 12545 Li WIRING SCHEMATIC x Z FUSE FUEL PUMP ems gt dne T REV DRAWING n s S A oe tw A INSTRUCTION PN FAST4 201 REVISIONS A INITIAL RELEASE A INJ 1 IN 2 IN 5 IN 4 INJ 5 IN 6 IN INJ 8 D N D NO D N D D
2. 12 SWITCHED wire is connected to a source that is hot with the key in the On Run and Crank positions Losing the 12V switched source during cranking can lead to a no start condition and other problems The green SW IGN LED on the ECU indicates power on the 12V SWITCHED wire and should stay lit during cranking Do NOT connect 12 SWITCHED wire to the positive side of an ignition coil A butt splice is included for tapping into an existing 12V switched wire if necessary After the splice has been crimped on use a heat gun or other heat source on the insulation to shrink it and seal it to the wire e The main connector on the wiring harness has an integrated retaining bolt that secures the connector to the ECU A 4 mm hex key 1s included with the kit for tightening this bolt e The wiring harness should be kept away from ignition components ignition boxes coils distributors etc as much as possible There will be places where plug wires run past the wiring harness That 15 often unavoidable and not a problem Just try to keep them or other parts of the ignition system s wiring from running parallel to the wiring harness And do not bundle the wiring harness together with other noisy wiring in the vehicle e As with any wiring it is good practice to avoid routing the wiring harness around sharp edges or near high temperature components such as headers e A length of loose braided wire covering is included It can be us
3. DATA LABEL DESCRIPTION Air Fuel Ratio The reading from the wideband oxygen sensor Air Tem This is the temperature of the air entering the throttle body It can be displayed in P either Fahrenheit or Celsius Ignition timing value taken from the main RPM based timing curve This makes up SERRE one part of the final timing value the engine sees Base Timing Idle Adv Vacuum Adv Total Timing Timing related data is only valid when EZ EFI is controlling timing Battery Battery voltage This is the temperature of the engine It can be displayed in either Fahrenheit or Coolant Temp aset Duty cycle of the fuel pump control output With a returnless style fuel system this FP DC 96 goes up and down to raise and lower fuel pressure With a return style fuel system this remains at 10096 when the fuel pump is running Fuel pressure in psi It is normal for this to rise and fall with varying engine load Fuel pressure will be lower at idle and in normal driving when there is the more vacuum in Fuel Pressure i the intake manifold Fuel pressure will rise as the engine approaches wide open throttle This is true of both return and returnless style fuel systems Idle Air Control This is the position of the idle motor At idle it will move around to maintain the target idle speed Displayed in counts Higher counts mean the idle IAC motor is open more and allowing more air to bypass the throttle blades Its range is from 5
4. Mechanical issues such as a worn distributor gear can make the time between coil firings inconsistent possibly causing the ECU to see an erratic RPM signal This applies to either type of ignition if they are taking their input from a distributor mounted pick up This is another example of how a deficiency in the ignition system can affect the performance of the EZ EFI system Eliminating excessive play in the distributor or installing a crank trigger will help this situation Setup Initial Cranking 1 Ep I Disconnect the fuel pump relay harness from the main wiring harness Or if you are using your own fuel pump relay disconnect it from the green control wire from the main wiring harness This is to prevent the fuel pump from priming at key on before you ve had a chance to select your fuel system type return or returnless in the Setup Wizard Connect the hand held to the main wiring harness using the hand held cable Turn the ignition switch on and wait for the hand held to power up and display the home screen Reconnect the fuel pump relay harness Select Setup Wizard in the hand held It will walk you through initial setup and cranking Hand Held Hand Held Notes The hand held communicates with the ECU via the short pigtail exiting from the bottom A separate long hand held cable connects the hand held to the main harness The hand held cable provides power to the hand held from the same 12V switched source used fo
5. System Info Tune Version Serial 65 Wizard Review Engine Size 350 Throttlebody Single Fuel PSI 4 Cylinders 8 Max Timing 31 Inj Count 8 Inj Size 74 IRM Counts The Ignition Reliability Monitor number gives a relative indication of the stability of the RPM signal being fed into the ECU It is a running total of RPM signal errors the ECU has detected A higher number indicates a noisier RPM signal This value is stored until it is viewed on this screen It is reset back to zero upon leaving this screen It will then begin to count up again if the RPM signal remains noisy ECU This section shows information about the ECU Wizard Review This section shows a summary of the settings entered in the Setup Wizard Hand Held Help Provides basic how to s related to using the hand held EZ EFI SYSTEM FEATURES Adaptive Learning In their most basic form electronic fuel injection EFI systems compare various inputs primarily engine speed and load to pre programmed base fuel tables stored in the ECU These fixed base fuel tables tell the ECU how much fuel to inject for a given engine speed and load competent EFI systems use an oxygen sensor to monitor the resulting air fuel ratio In real time The better systems use a wideband oxygen sensor as used in the EZ EFI system The reading from the FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Re
6. UUU U TU gt J a r y gt lt r 1 a f 7 TM EZ EFI 2 0 Self Tuning Fuel Injection System Kit Part Numbers 30400 KIT 30401 KIT 30402 KIT 30403 KIT FUEL AIR SPARK TECHNOLOGY Thank you for choosing FAST products we are proud to be your manufacturer of choice Please read this instruction sheet carefully before beginning installation and also take a moment to review the included limited warranty information Contact us toll free at 1 877 334 8355 or at www tuelairspark com under Tech Help with any questions Please begin by checking that you have received all of the parts that come with your kit 30400 KIT EZ EFI 2 0 Base Kit e N i QTY PART DESCRIPTION EZ EFI 2 0 Assembled Throttle Body EZ EFI 2 0 ECU Module EZ EFI 2 0 Touchscreen Hand held Unit Harness EZ EFI 2 0 Main Harness EZ EFI 2 0 Hand held Cable FASI Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 1 30425FSB_ Fuel Pressure Sensor Adapter 1 304259PA BilletSpacer forFAST30425FuelSensor 2 30425MS Screw 10x2 LG Self Tap SS FOR EZEFI 1 3049 SuctionCup Mount for EZ 2 0 Hand held 2 170666 RingTerm 12 10 AWG 3 8 Stud Shrink 1 170667 HexKey 4mmLongArmReach 1 170669 Butt Splice 14 16 AWG Shrink 1 17055 Badge FA
7. 12 Install the two supplied 6AN fittings One will be installed in the bottom of the regulator outlet return port and the other will be installed in one of the inlet ports on the side of the regulator choose either side based on easiest hose routing in your application The unused inlet port on the other side should be blocked off with the included plug NOTE Since these fittings have o rings thread tape sealant is not required or recommended 13 Now install the included 1 8 barb fitting in the port on the side of the top half of the regulator and the included pressure gage in the port on the front of the regulator NOTE both of these parts have 1 8 NPT threads and DO require thread sealant or tape FASTTM Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 14 14 With the regulator now preassembled mount using the supplied mounting bracket and screws 15 Finally be sure to connect the barbed fitting to the manifold vacuum port on the throttle body using the supplied 1 8 vacuum hose Manifold Vacuum Port Labeled Connect Regulator Here When connecting the fuel return line to the tank return style fuel systems only be sure not to use a vent fitting that 1s necessary for proper operation of the fuel tank If there 1s no appropriate fitting available use a bulkhead fitting included with your kit The fuel tank must remain app
8. NOTE This is NOT an amount that timing will be retarded It is the final timing value the engine will see Learning will also be disabled while the nitrous oxide system is active A Nitrous Signal Detected LED 15 provided on this screen It can be used to verify that the wiring is properly installed and the ECU has successfully detected the activation signal from the nitrous oxide system EZ EFI is intended to be used with the same type of wet nitrous oxide systems commonly used on carbureted engines Wet 1s the type where the majority of the additional fuel required to support the nitrous oxide is supplied by the nitrous oxide kit itself as opposed to a dry kit where the extra fuel 15 supplied by the fuel injection system While the EZ EFI system may be capable of supplying all of the additional fuel needed to support the nitrous oxide it 1s not set up to deliver all of that extra fuel instantly An EZ EFI system used in conjunction with a wet kit has a distinct advantage over a carburetor in that EFI uses its closed loop fuel control to fine tune the final air fuel ratio This can help make up for a less than perfectly dialed in nitrous oxide system and offers easier tunability and more consistency Also because it is able to alter ignition timing the EZ EFI does not need an external timing retard device NOTE If the EZ EFI is NOT being used to control ignition timing it CANNOT provide the reduced timing typica
9. KIT They also require a solid state fuel pump relay as used in the EZ EFI fuel pump relay harness that is included with PN 30401 KIT That relay harness is compatible with both return and returnless style fuel systems and is included with PN 30402 KIT as well FASTTM Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 In tank vs In line In tank pumps are preferred over in line pumps for multiple reasons Most importantly in tank pumps do not experience the priming issues that can sometimes occur with in line pumps In tank pumps can be found on practically all late model cars due to their simplicity and effectiveness and as stated above are required for returnless style fuel systems In line pumps can be easier to install in certain scenarios but are sensitive to mounting location In line pumps must by mounted close to the tank and lower than the lowest point of the fuel tank in order to properly prime Fuel System Installation CAUTION Installation of this product requires detailed knowledge of automotive systems and repair procedures Installation of fuel system parts and any fuel tank modifications must be carried out by a qualified automotive technician Installation of fuel system parts requires handling of gasoline Ensure that work is performed in a well ventilated area with an approved fire extinguisher nearby Extinguish all open flames
10. NO DO 4 N D Ll 5 NO D s x z z x z z o J a x x Zi x Z c x m D m o m o m o lt a a lt m m o E a _ z z z z z z E S gs O O O O O O O O O O O N N N NIN N NIN NIN NIN PN 50 509 EZ EFI 2 0 THROTTLE BODY HARNESS J UNS 20 GA C YEL INJ B BROWN 20 GA INJ C YELLOW 20 GA eT S INJ D GREEN 20 GA Ai J ey lt IAC A HI RED 20 CA IAC A LO BLUE 20 GA B HI YELLOW 20 GA B LO BLACK 20 GA INJ PWR ORANGE 16 GA WHITE VIOLET 22 GA TPS WHITE RED 22 GA ATS WHITE PINK 22 GA S 2 5V REFERENCE RED WHITE 22 CA ANALOG GND BLACK PINK 22 GA gE UZ Ac T O TIT O U gt ATS GND TPS CTS 5V WHT PNK WHT RED HT BLK PNK RED WHT BLK rxs www fuelatrspark corn EZ EFI 2 0 THROTTLE BODY HARNESS _7SX WIRING SCHEMATIC FUEL AIR SPARK TECHNOLOGY EFT DENOTES SPLICE REV DRAWING NO S A 30309 SCHEMATIC
11. Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 36 e Rev Limit To protect the engine from an over speed condition the maximum allowable speed can be restricted with this setting When RPM reaches this value the injectors will be disabled Once RPM has dropped injection will resume NOTE Keep in mind that the Rev Limiter will prevent the engine from spinning itself too fast under its own power But it does not protect against something else spinning the engine too fast such as a downshift into a gear that is too low Fuel System Fuel System Fuel e Fuel Type Select gasoline or E85 e Fuel Delivery Select Return if the fuel system uses a mechanical fuel pressure regulator and has a return line back to the fuel tank Select Returnless for electronic control of fuel pressure Refer back to the Fuel Systems Type section for more detail a Ignition Type Ignition Type FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 None Select if EZ EFI will not be controlling ignition timing e EZ LS XIM Select if using a FAST EZ LS or FAST XIM Ienition System e FAST Distributor Select if using a FAST Dual Sync Distributor or other discrete square wave type RPM signal e FAST Crank Trigger 2 Wire
12. I 2 The kit includes a pigtail that mates to the pump Connect the pigtail to the pump and feed its two loose wires through the two hole seal in the electrical bulkhead fitting Route and secure the in tank portion of the wiring so that it does not interfere with the operation of the fuel level sensing arm float Tighten the dome nut on top of the electrical fitting to compress the seal and lock the wires in place A mating pair of Weather Pack connectors 15 included so that the wiring to the tank can be easily disconnected Install one of the Weather Pack connectors using a pair of wire seals and terminals onto the wires coming out of the fuel tank To follow the normal convention use the shroud connector housing shown in the drawing along with the male terminals It does not matter which wire goes into which cavity as long as the mating connector is assembled the same way red in either position or position B in both connectors Install the remaining connector terminals and seals onto the red PUMP POSITIVE feed wire from the fuel pump relay harness and to one end of the supplied length of loose black wire Make sure red connects to red and black to black when the two connectors are mated The remaining loose end of the black wire needs to be connected to ground blue ring terminal is included for this purpose Cut the black wire to a convenient length and install the ring terminal After the ring terminal has been
13. Weather Pack connector to ground This should cause the pump to run which can sometimes be heard change in the fuel pressure reading in the hand held s Live Dashes is further evidence that the pump ran Verify that the fuel pump fuse in the main harness 1s installed and in good condition FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 6 Verify all fuel line connections are tight and leak free including connections in the tank 7 Verify that there 1s plenty of fuel in the tank 8 Verify that the fuel filters including the sock type filter in the tank are not clogged 9 Verify that the fuel tank 15 vented 10 Verify that the vehicle is plumbed for a returnless style fuel system no mechanical fuel pressure regulator and return line installed If those are installed change the Fuel Delivery type to Return on the Fuel System Screen The Fuel System screen can be accessed within the Setup Wizard or from the Advanced menu Troubleshooting Inj DC Limit Fault Verify that the fuel system and fuel injectors are rated to support the engine s power level Verify there is plenty of fuel in the tank 3 Verify fuel pressure during a wide open throttle run Have an assistant monitor fuel pressure while you drive Fuel pressure at wide open throttle should equal or very nearly equal the static pressure For a return style fu
14. adjusted after the ECU has had some time to learn and the engine 15 running well in steady state operation throttle not changing An exception to this 1s when the EZ EFI system is installed on a port injected application where fuel 1s supplied by injectors near each intake port instead of from an EZ EFI throttle body These applications often require less Accel Fuel than a throttle body injection setup It may help to start out with Accel Fuel set to a negative value for port injection applications Tuning Accel Fuel is a subjective process You may be able to feel that it s not quite right but it can sometimes be difficult to tell which way the adjustment needs to go You may notice it when free revving the engine in neutral pulling away from a stop or any time the throttle is opened quickly The Accel Fuel adjustment applies to all of these situations The best setting will be the one that works well for all of them It 1s not necessarily the setting that makes one specific situation absolutely perfect as that may require too much compromise in the others If there is too much Accel Fuel when the throttle 1s opened quickly the engine will sometimes feel as if it is struggling and or generally not running cleanly If there is too little Accel Fuel you may notice a delay from when you open the throttle to when the engine responds The Live Data screens may be useful in tuning Accel Fuel Having somebody watch the live Air Fuel Ratio AFR d
15. and wires Non resistor spark plugs and solid core spark plug wires are both very noisy and interfere with electronics including the EZ EFI system If either of those is currently installed on the engine replace them now Resistor style spark plugs often have an in their PN If you are unsure about what style of spark plugs or wires you have it is best to look up their PNs to find their specs 2 hole saw The EZ EFI main wiring harness comes with a 2 firewall pass through grommet preinstalled in case you decide to route your harness through the firewall in order to mount your ECU inside the cab optional If you choose this option and do not already have a 2 diameter hole in your firewall the easiest way to make one 1s with a hole saw FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Throttle Body Installation 1 Start the installation of your new EZ EFI system by installing the throttle body NOTE If you will be installing a new distributor such as the FASTTM Dual Sync Distributor you may have more room to work if you complete the first part of that installation before bolting down the throttle body 2 Begin by removing your carburetor As your remove the carburetor note if each of the 1 8 vacuum lines are run to ported or manifold vacuum Determining if a vacuum port is ported or manifold vacuum varies on eac
16. are possible ERROR CODE TRIGGERING EVENTS ATS Voltage Air Temperature Sensor signal voltage too high or too low Battery Voltage Battery voltage below 7V or above 19V for 10 seconds CTS Voltage Coolant Temperature Sensor signal voltage too high or too low In return fuel system mode Higher than expected greater than 75 psi fuel pressure detected The fuel pump is disabled in the event that a return style fuel system which runs the pump wide open was selected in the hand held when there is no mechanical fuel pressure regulator and return line actually installed in the vehicle This prevents the pump from straining against a closed system and building excess pressure The code can be cleared but the pump will remain disabled until the Fuel P Control rressure ECU has been power cycled or until the Fuel Delivery type has been changed to Returnless on the Fuel System screen In returnless fuel system mode Lower than expected fuel pressure detected The fuel pump control output has maxed out at 100 while fuel pressure has remained below the fuel pressure target This usually indicates a physical problem with the fuel system leak clogged filter etc The fuel pump is not disabled Fuel Pressure Sensor Fuel pressure sensor signal voltage too high or too low IAC Control Idle Air Control motor malfunctioning Injector duty cycle over 100 an indication that injectors cannot Inj Duty Limit supply en
17. is displayed kPa kilopascals Its range is from 0 a perfect vacuum to 105 With the engine off this will read around 100 kPa It will drop down when the engine is started Current closed loop correction based on the reading from the wideband oxygen O2 sensor This is the percent of fuel being added displays as a positive number or O2 Cor removed displays as a negative number to achieve the target air fuel ratio As the ECU learns more and more this will tend to get smaller and smaller in steady state driving Target AFR Target Air Fuel Ratio The ratio the ECU is working to maintain This is determined by engine load and the settings on the AFR Targets screen found on the Advanced menu The final timing value the engine sees A timing light should agree with this value It is made of several different values Total Timing M 2 Base Timing Idle Adv Vacuum Adv Total Timing Timing related data is only valid when EZ EFI is controlling timing Throttle Position Sensor This tells you how far the throttle blades are open The TPS Setup Wizard takes care of calibrating this sensor It can easily be verified using this display If you ever notice the TPS reading is not at idle it should be re calibrated This can be done by selecting TPS Calibration from the Advanced menu The current signal voltage being returned from the throttle position sensor to the TPS Volts ECU It should
18. moving them in a process of trial and error and in extreme cases that may still be required For most installations though this on screen approach allows timing to be dialed in quickly and easily with a few button presses FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Additional Information for FAST EZ LSTM FASTIM XIM M As mentioned above with a traditional single coil engine using a crank trigger or distributor the ECU expects crank signals at TDC O BTDC When used with a FAST EZ LS or FASTIM XIM ignition system the ECU expects the crank signals at different locations depending on the make of the engine For example the ECU will expect crank signals from an EZ LS ignition to occur at 50 BTDC so that will be the base setting on the Timing Verification screen 750 0 instead of the 00 0 in the previous example From there it can be adjusted up or down as described above If timing was a little off like in the previous example timing light showing 23 BTDC instead of the 20 BTDC the ECU 15 shooting for this setting would end up being raised from 50 0 to 53 0 CRANK SIGNAL SOURCE EXPECTS CRANK SIGNAL AT BTDC y BTDC 50 BTDC 5o BTDC a BTDC 52 BTDC IAC Calibration F IAC Calibration IAC Calibration EFI Adjust idle screw until slider is in the red target bo
19. preventing it from returning to its fully closed position If the throttle linkage is in its fully closed position resting on the idle screw and TPS is still reading above FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 63 the TPS should be re calibrated This can be done by selecting TPS Calibration from the Advanced menu e tis normal for fuel pressure to rise and fall with varying engine load Fuel pressure will be lower at idle and in normal driving when there is more vacuum in the intake manifold Fuel pressure will rise as the engine approaches wide open throttle This is true of both return and returnless style fuel systems e With a return style fuel system the fuel pump will run for several seconds after key on to prime the fuel system With a returnless fuel system the ECU will only run the pump as much as it needs to in order to reach and maintain the target fuel pressure The pump may run for different lengths of time at any given key on It may not run at all in some cases of this is normal with a returnless fuel system e There is some adjustability built into the linkage between the throttle shafts It should be set up as close to a one to one arrangement as reasonably possible as opposed to a progressive setup Having all four blades open at the same time gives the best fuel distribution EZ Test Indicator Lights
20. prohibit smoking and eliminate all sources of ignition in the area of the vehicle before proceeding with the installation When working with fuel systems eye goggles and other safety apparel should be worn as needed to protect against debris and sprayed gasoline The finished work must be checked carefully to ensure there are no fuel leaks All fuel lines and connectors used in the installation of your fuel injection system should be rated for the higher pressure associated with fuel injection systems It is not recommended that you use the factory hard lines as part of your installation unless the ends allow for the proper connection to high pressure systems Be mindful as you route your fuel hoses that you keep them away from sources of heat and moving components on your vehicle FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 In tank Fuel Pump System Installation 1 Begin by dropping your fuel tank and removing your fuel sending unit module Be sure to clean the area around the sending unit before removal and be sure that no debris enters the tank while you are working on it With the sending unit out remove the old fuel pump and replace with your new pump Two 40 60mm hose clamps are included with the FAST in tank fuel kits to order to mount the pump A sock type pre filter is also provided and should be connected to the bottom of th
21. repair or replacement of its product To make a warranty claim the part must be returned directly to FAST at the address listed below with a valid Return Merchant Authorization Number RMA freight prepaid Items covered under warranty will be returned to you freight collect To obtain an RMA call 877 334 8355 to report the issue you are experiencing At that time FASTTM will attempt to troubleshoot your issue It is the responsibility of the installer to ensure that all of the components are correct before installation We assume no liability for any errors made in tolerances component selection or installation There is absolutely no warranty on the following A Any parts used in racing applications or subject to excessive wear B Any product used in marine applications unless that product is listed by FAST as a specific marine product C Any product that has been physically altered improperly installed or maintained D Any product used in improper applications abused or not used in conjunction with the proper parts FASTTM Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 70 There are no implied warranties of merchantability or fitness for a particular purpose There no warranties which extend beyond the description of the face hereof will not be responsible for incidental and consequential damages property d
22. sends a voltage to the ECU that varies with throttle movement The ECU needs to know what voltage corresponds to closed and full throttle This process gives it that information Note that the Next Confirm button will not become available until the full calibration process is complete 1 While the red text displays RELEASE leave the throttle in its fully closed resting position Press the Calibrate button The button s LED will be active while the throttle s closed voltage is being captured When completed the LED will turn off 2 The red text will then display PRESS Press the throttle all the way to its wide open throttle WOT position Hold it there and press the Calibrate button again The LED will come back on as the throttle s WOT voltage is being captured When completed the LED will turn FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 43 off for the final time and the throttle can be released The Next Confirm button will become available NOTE The full throttle procedure 15 meant to be performed with the engine NOT running Fuel System Test The fuel system test procedure differs slightly depending on the fuel system selected Shown below are the two types of tests that may run These tests are meant to be performed with the engine not running The Fuel System Test screen can also be acc
23. slider along the bottom of the screen The final ignition timing the engine sees Total Timing is composed of three components Value from RPM based timing curve Idle Adv Timing added or subtracted to influence idle speed Optional See Advanced menu Timing added based on manifold vacuum Optional See Advanced menu Total Timing Timing related data is only valid when EZ EFI is controlling timing Select System Select System PALL EZ EFI 2 0 Throttlebody single E All Inglese Units Multiport Other A e Single Select this option if using one EZ EFI 2 0 eight injector throttle body e Dual Select this option if using two EZ EFI 2 0 throttle bodies e Inglese Select this option if using any Inglese kit Selecting the exact Inglese kit is done from another screen e Multiport Select this option for port injected applications where fuel is supplied by injectors near each intake port instead of from an EZ EFI 2 0 throttle body e Other Select this option for any special case It allows configuration of number of injectors custom injector size and configurable fuel pressure This screen 15 only accessible through the Setup Wizard it is not available in the Advanced menu If this selection needs to be changed after the initial install the Setup Wizard must be re run to configure the ECU properly for the new throttle body intake setup FAST Toll Free 1 877 334 8355
24. to the left side of the target on this screen This will cause the idle motor to operate at a more closed position lower counts at idle Since it will have more room to open if engine speed dips it will be able to bypass more air to keep the engine running After setting the blades and pressing the Next button the TPS Calibration screen will be revisited The throttle position sensor is connected to the throttle shaft So adjusting the resting position of the throttle blades may have changed the voltage the ECU Is receiving from the TPS at idle the wide open throttle reading will not have changed To account for this the throttle s closed voltage needs to be recaptured That s it The ECU is configured for your engine and 1s ready to get to work learning more about it Advanced EZ EFI is simple for the user to configure and only requires running the Setup Wizard to begin operating However for the user that wants the extra control many additional features can be found in the Advanced menu Some settings found here will have already been configured in the Setup Wizard And have already been discussed They can be accessed here individually Other settings are only accessible through the Advanced menu Advanced FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Fan Control Fan On Temperature Fan Off Temper
25. used to reset an ECU back to stock Live Data Pressing the Live Data Icon navigates to a series of dashes that display live ECU data Diagnostics The Diagnostics area offers access to error codes and other system information and tools Advanced The Advanced menu allows access to individual settings some that were part of the Setup Wizard as well as other optional settings and adjustments 2 Screen Disable This button turns the screen blank Touching anywhere on the screen will bring back the normal display FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Setup Wizard Setup Wizard Notes Running the Setup Wizard will overwrite the previous configuration and any user adjustments that have been made It will also erase any learning that has taken place The ECU will be restored to its factory stock settings Depending on the application not all Setup Wizard screens will be accessed only the needed settings are visited To navigate through the Setup Wizard use the red and green arrow buttons found in the corners of the screen Pressing the Next button will save the settings of that screen to the ECU and proceed to the next screen Pressing the Back button will discard any changes made to the current screen and return to the previous screen If the Next button is not available then this screen requires more input
26. 0 BTDC 30 is a good average timing that will work well with most EZ EFI installations If you know that your engine will be running significantly higher or lower timing please adjust accordingly 2 Set the distributor to the 1 position and drop it into the engine Do not clamp it down yet 3 Set the cap on the distributor and mark the middle of the 1 terminal on the distributor body Remove the cap 4 Rotate the distributor body until the center of the mark you made is lined up with the center of the rotor tip Then clamp down the distributor and install the cap 5 Your rotor is now phased D MSD 2 Wire Distributor In stock form these are not configured for use with aftermarket fuel injection systems The following procedure must be followed 1 Start by locking out the centrifugal advance on your distributor The distributor must be physically locked out so that the relationship between the pickup and the paddle wheel does not change with engine speed or load Refer to the manufacturer s instructions for the proper procedure to lock out the centrifugal advance for your distributor This is a very important step please do not skip 2 Once your distributor is locked out roll the engine over to TDC on 1 compression stroke and set your distributor to the 1 position 3 Insert your distributor into the engine but do not clamp it down yet 4 Rotate the distributor body so that the pickup is aligned with the closest pad
27. 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Inglese Setup p Inglese Setup EFI N Down Draft Style Side Draft Style 550 HP 30397 Single n 30507 30657 Dual ne 1200 HP 30857 There are two main styles of Inglese systems Down Draft Eight Stack and Side Draft If using a Down Draft system select the kit based on rated horsepower of the kit or the injector part number If a Side Draft system 1s used choose between Single or Dual Injector Specs Number of Injectors _ Injector Ib hr amp 43 psi High Impedance Only Fuel Pressure PSI Acceptable range 20 60 psi To adjust a setting touch the Injector Ib hr or Fuel Pressure PSI textbox Then enter desired numbers on the keypad and press Ent The value will be sent to the selected textbox e Number of Injectors Choose from 4 6 or 8 The button s LED will indicate selection e Injector Ib hr 43 psi This is the injector s rated flow measured at 43 psi Refer to the injector s datasheet to obtain this information If the injector is rated at a different psi a conversion must be performed as shown below New Pressure New flow Old flow X Dit presse As an example assume the injector s flow rating is 65 lb hr 58 psi The flow rating 43 psi 1s calculated as follows FASTTM Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 w
28. 55 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 After starting the engine use a timing light to verify that the timing 1s correct The ECU will lock the timing to 20 of advance during this test That 1s what the timing light should show If it doesn t use the Plus or Minus buttons to fine tune the ignition setup until the timing light does show 20 of advance Once it does you can use the Next button to proceed to the next screen IF TIMING LIGHT IS SHOWING i IN ORDER TO Minus button Less than 20 BTDC Advance Timing Plus button More than 20 BTDC Retard Timing If timing needs to be verified again after the initial pass through the Setup Wizard for example if a distributor Is removed and re installed select Ignition Type from the Advanced menu That will prompt you to confirm your ignition type and then lead back to this Timing Verification screen so that timing can be dialed in again with a timing light Additional background information The ECU expects to see crank signals occur when the engine is at a specific location When the ECU sees a crank signal it assumes the engine is at the prescribed location and goes about the business of calculating how long it needs to wait from there before firing a spark If the crank signals are not occurring where the ECU expects them to that time calculation will be off and the actual timing will be o
29. ED ON ALL PUSH LOC HOSE CONNECTIONS INSERT PRE FILTER HERE IF NOT USING FAST FUEL PUMP aliat ius THROTTLE BODY MAY BE USED AS THE INLET OR OUTLET BE SURE TO MOUNT THE FUEL PUMP BELOW THE LOWEST POINT OF THE FUEL TANK AND AS CLOSE AS POSSIBLE TO THE FUEL TANK VACUUM REFERENCE LINE FROM BARBED REGULATOR FITTING TO 1 8 THROTTLE BODY VACUUM PORT LABELED A BE SURE TO REMOVE ANY RESTRICTIONS FROM YOUR IN TANK FEED LINE SUCH AS AN OLD LIFTER PUMP OR DIRTY PRE FILTER MAY BE USED FOR THE INLET FEED FAST 3400 Democrat Rd Memphis TN 38118 Phone 901 260 3278 Toll Free 1 877 334 8355 FAST4 200 www fuelairspark com Revised 7 15 13 In Line Fuel Pump Wiring Wiring components for connecting power and ground to the fuel pump are supplied Some of the final assembly 15 left for the user to complete to custom fit the installation to their vehicle IN LINE FUEL PUMP KIT WIRING COMPONENTS Connect to FUEL PUMP HARNESS connector Of EZ EF main 3111504 omall ring terminals to pump Large ring terminal to ground Wiring Assembly l The kit includes two small blue ring terminals Crimp one onto the red PUMP POSITIVE feed wire from the fuel pump relay harness and the other to one end of the supplied length of loose black wire Install these small ring terminals onto the threaded wiring studs on the fuel pump Polarity is marked on the fu
30. Fuel setting back to its previous value SETTING EFFECT More Accel Fuel Less Accel Fuel Cranking Fuel The ECU is programmed to inject extra fuel during cranking Most engines should be able to crank and start with the pre programmed amount of cranking fuel However if the engine seems to want FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 more or less cranking fuel that adjustment can be made here SETTING EFFECT More cranking fuel Less cranking fuel Cold Start After the engine has started the ECU s closed loop fuel control will begin altering fueling to maintain the target air fuel ratio When the engine is cold the target air fuel ratio 1s adjusted to a richer lower number value As the engine warms up this adjustment is tapered out to zero by the time coolant temperature reaches approximately 125 F This setting can be used to make this coolant temperature based adjustment to target air fuel ratio more or less aggressive SETTING EFFECT Target air fuel ratio richened more Target air fuel ratio richened less Start Update If an update to the hand held becomes avallable this button will be used in the update process If this button is pressed while the hand held Is in normal use the hand held will reset and go back to the home screen Nitrous Setup Nitrous Setup WARNING Incorrect target cou
31. ITH Timing Control In this scenario EZ EFI needs to know engine position not just engine speed so that it can command a spark at specific points in the engine cycle EZ EFI will be looking for a crank signal to occur at or very close to This signal needs to occur in the same spot all the time It cannot move around with engine speed or load as it would in a distributor with mechanical and or vacuum advance If the crank signal moves around so will the actual ignition timing This is beyond the control of the ECU The ECU only has full and final control of ignition timing when it is fed a steady consistent crank signal There are several ways to provide this A FAST Crank Trigger The FAST M Crank Trigger consists of a trigger wheel that attaches to the crank and a sensor that watches as the teeth pass by Roll the motor over to TDC on 1 compression stroke Install the trigger wheel and sensor bracket so that the sensor 15 lined up with one of the teeth on the trigger wheel The CRANK TRIGGER connector in the harness mates directly to the sensor In the Setup Wizard select FAST Crank Trigger 2 Wire on the Ignition Type screen FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Rotor Phasing When using a crank trigger the distributor s orientation in the engine Is not critical to the ECU However it is still imp
32. SIDE OF THE REGULATOR MAY BE USED FOR THE INLET FEED PLUG THIS PORT ON THE THROTTLE BODY WITH THE INCLUDED FITTING IF INSTALLING THE SYSTEM IN THE RETURNLESS STYLE THERE WILL BE NO NEED FOR THE REGULATOR OR RETURN LINE WHEN USING THE RETURNLESS SETUP FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 To assemble hoses use following procedure 6 Cut hose to the desired length using a fine tooth saw or cut off wheel Be sure to clean the cut edges of any loose material 7 Lube the barbed end of the fitting with a light oil such as WD 40 8 Slide a loose hose clamp over the hose so that it is ready to use when the hose has been installed 9 Place the fitting in a vise Take care to not scratch the finish on the fitting Placing a shop rag over the vise jaws can be helpful For straight fittings 1t 1s easiest to attach them to a male and clamp the male fitting in the vise This helps prevent the fitting from spinning during installation 10 Now push the hose onto the fitting until the hose 1s flush with the plastic finisher FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 11 Slide the hose clamp over the barbed section and tighten ORTA Fuel Pressure Regulator Installation only used for return style systems
33. ST EZ EFI Chrome D EN Fitting Fuel 8SAE O Ring to 6AN Plug W O Ring 8SAE 30401 KIT EZ EFI 2 0 Master In Tank Kit also includes everything in base kit lt P N P FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 PARTH DESCRIPTION 1 170268 _2Pin Weather Pack Connector Tower 6 30280 6 of3 16 VacuumHose FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 30402 KIT EZ EFI 2 0 Master In Line Kit also includes everything in base kit QTY PART DESCRIPTION NS6601 Fuel Pump In Line 2 Fitting 6AN 90Deg Push Lock End Hose Fuel Injection 3 8 OD x 25 SAE30R9 NS6548 Tie Strap Black 30258BS SS Screw 10 16x5 8 For 30258RB 1 30280 6 of 3 16 Vacuum Hose 30353 Wire 6 14 Gauge Black 170668 Ring Terminal FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Before Getting Started O2 Bung Your new EFI system is going to require the installation of an O2 sensor in order to continuously monitor the air fuel ratio of your engine In order to do this you will need to weld an O2 sensor bung into your exhaust system see the O2 sensor section for complete instructions If you
34. Select if using a FAST Crank Trigger or other 2 wire inductive sine wave type RPM signal EZ LS XIM Setup EZ LS XIM Setup EZ LS Select if using a FAST M EZ LS ignition system GM Select if using a FAST M XIM ignition system on a GM LS engine Ford Select if using a FAST XIM ignition system on a Ford Mod or Coyote engine Chrysler Select if using a FAST XIM ignition system on a Chrysler Hemi engine T A Ignition Timing Set base timing curve Ignition Timing Idle Degrees All In RPM Setting up a timing curve is simple using the hand held Adjusting the three values explained below will allow the ECU to construct a full RPM based timing curve This takes the place of changing weights and springs to adjust mechanical advance in a traditional distributor FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 e Idle While the engine is at idle RPM this will be the base timing Keep In mind that both idle trim and vacuum advance discussed later can apply an offset to this base timing value e All In The maximum amount of timing used on the base timing curve Timing will ramp up from Idle timing to All In timing as RPM increases towards the All In RPM e All In RPM When the engine reaches this RPM timing will have ramped all the way up to the All In value This setting 1s adjusted with the
35. The 7 ECU features a series of LEDs that can be used to monitor its operation and to signal if the on board diagnostics has detected a problem DURING LABEL DESCRIPTION NORMAL RUNNING Indicates that the ECU is receiving a crank signal and is reading RPM If CRANK DIAG Blue the on poate diagnostics has detected a problem this LED Will flash Solid rapidly If that happens refer to the Codes screen in the Diagnostics section of the hand held to determine what code has been set Indicates that the ECU is powered on This LED should remain on whenever the vehicle is keyed on After the vehicle is keyed off this LED will remain lit for several seconds and then fade out This is normal and indicates that the ECU is going through its proper shut down procedure POWER Green If this LED goes out immediately at key off there is a problem The most Solid likely cause is that power to the BATTERY POS wire is being lost at the same time as the 12V switched source If the ECU does not shut down properly new learning new user adjustments and other internal information will not be retained by the ECU Indicates that the ECU is receiving a 12V switched input This LED should remain on whenever the vehicle is keyed on including during cranking SW IGN Green Losing the 12V switched input during cranking can lead to a host of Solid starting and running issues If this is happening a different 12V switched source must be found T
36. The switched outputs from the ECU are not meant to directly drive high current devices such as fuel pumps or electric fans The following diagram shows how to wire a standard relay not included between the ECU and a high current greater than 1 Amp device FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 FUEL PUMP FAN RELAY WIRING BATTERY POSITIVE FUEL PUMP RELAY WIRE FROM EZ EFI HARNESS SWITCHED 12V x FUEL PUMP FUEL PUMP RELAY BATTERY POSITIVE FAN RELAY WIRE FROM EZ EFI HARNESS SWITCHED 12V x s ELECTRIC FAN GROUND MANUAL CONTROL SWITCH OPTIONAL GROUND NOTE The fuel pump relay used in the EZ EFI 2 0 fuel pump relay harness is a special solid state relay It is compatible with return style fuel systems and required for returnless style fuel systems Its wiring is different than standard relays SOLID SIATE RELAY WIRINC FUEL PUMP RELAY WIRE FROM EZ EFI HARNESS GROUND BATTERY POSITIVE RELAY BOTTOM VIEW SOCKEI WIRE SIDE VIEW Ignition System Options The ignition system components that are needed and the wiring harness connections that will be used depend on the type of engine and whether or not the EZ EFI ignition timing control capability will be used In all cases the EZ EFI requires some form of input signal to tell it RPM If the EZ EFI will be controllin
37. amage or personal injury damages Where required by law implied warranties or merchantability and fitness are limited to terms outline above This warranty gives you specific legal rights and you may also have other legal rights which vary from state to state FASTTM Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 REVISIONS THROTILE BODY FUEL DIST DISTRIBUTOR RPM nS San OXYGEN SENSOR PRESSURE PWR INPUT ZE Z9 OS gc Se o o 123 E ABCDEF GH Lo OE zs E LL i x gaze sg z EEBEBEF m _ SSE Y Y F z A 719 seg 3 3E 13833 m gt A 3 2 S 2 2 5 lt 9 i73 VIV CABLE AWA N M CABLE PN 503508 EZ EFI 2 0 MAIN HARNESS DISCRETE RPM INPUT WHITE A C INPUT CONFIG INPUT GRAY BLACK FUEL PUMP LIGHT GREEN prz P NN LLLI J e C O lAC 0 BLUE se IAC YELLOW B LO BLACK P PC TD O OGREN 1 PcRXD O O O G POINTS OUT CONFIG outeur BUE YELLOW O oO C 1 an2 BUE WTE ooo DcTA enD Back il i NDUCIV RPM INPUT RED s j jj 1 j Ll j 0O2Vs R Baek j j j l j 1 LL C LL 02 Real GREEN Ep wA
38. aner to maximize fuel economy Then set it back for normal around town driving e WOT AF Once the engine starts to see more load LOAD value around 50 or higher the ECU will start transitioning from using the Cruise Air Fuel target to using this Wide Open Throttle Air Fuel target By the time the engine is under full load the ECU will be using this target For intermediate loads the ECU interpolates between the Cruise and WOT targets That is it changes its target from the Cruise setting to the WOT setting In proportion to how much the load has changed from a cruising load to full load J Cruise AF Target J WOT AF Target Target AF Ratio 50 100 Engine Load FASTIM Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Just as the Cruise Air Fuel target can be adjusted for fuel economy the WOT Air Fuel target can be adjusted for maximum power It 1s quite possible that the engine can make more power at an air fuel ratio that is leaner higher number than the preloaded WOT Air Fuel target Or it might prefer a richer lower number air fuel ratio This 15 less likely but it all depends on the engine Remember that an air fuel ratio that is too lean higher number can cause severe engine damage especially at WOT When changing any of the targets to a leaner value do so in small increments and pay close attention for any signs of detonation
39. ard and be sure to select Returnless on the Fuel System screen Returnless Fuel System The second test 1s for returnless style fuel systems that have no mechanical fuel pressure regulator or return line back to the fuel tank and are controlled electronically Pressing the START button will engage the fuel pump Pressing the STOP button will turn the pump off For safety the fuel pump will automatically turn off after approximately 10 seconds Use this time to verify that the fuel system can build and maintain fuel pressure equal to or greater than the target fuel pressure Without a mechanical fuel pressure regulator and a return line back to the fuel tank a returnless fuel system typically does not have an easy way to relieve excess pressure other than through the injectors when the engine is running That 1s why this test 1s only looking for fuel pressure to be equal to or greater than the target fuel pressure instead of being exactly equal to it If fuel pressure goes above the target fuel pressure the fuel pump may stop running before the STOP button is pressed Or it might not come on at all when the START button 1s pressed This 1s normal Timing Verification Timing Verificatio Z CFI EZ EFI 2 0 has been configured to control timing The timing has been locked at 20 degrees Adjust buttons until timing light shows 20 degrees Use if light shows less Use if light shows more FAST Toll Free 1 877 334 83
40. are in good condition Verify solid corrosion free connections at the battery and switched ignition source Verify that the wiring harness itself Is not damaged Visually inspect the wiring harness looking for cut pinched abraded or melted sections Troubleshooting Fuel Pressure Control Fault in Return Fuel System Mode 1 2 3 Verify that a mechanical fuel pressure regulator and return line are installed Verify that the regulator 1s not set above 75 psi Verify that the return line 1s not restricted If using an existing factory fuel tank fitting to feed fuel back into the tank make sure it does not have a check valve preventing flow into the tank Check for a Fuel Pressure Sensor fault If there is an issue with the sensor or its wiring that is causing the fuel pressure reading to be artificially maxed out at 99 psi that will disable the pump NOTE A Fuel Pressure Sensor fault resulting in a false 0 psi reading or caused by the fuel pressure sensor being disconnected from the harness will not disable the pump Troubleshooting Fuel Pressure Control Fault in Returnless Fuel System Mode pP Verify that the fuel pump relay harness is connected to the main harness and to the pump Verify that the fuel pump 15 solidly wired to ground Verify that the fuel pressure sensor is installed and connected to the main harness To test items 1 3 plus the pump and the relay BRIEFLY connect the green FUEL PUMP RELAY wire in the 1 way
41. ata either the numeric display or the bar graph while you drive and make quick throttle changes may reveal whether the engine is getting too much or too little Accel Fuel When the throttle is opened quickly there is a lot going on AFR will often swing back and forth You want to watch for an overall trend As with most settings it is good practice to make small incremental changes and see what happens If you make large changes to Accel Fuel it is possible that you can go from too little to too much fuel without realizing you ve passed right over the setting that makes the engine the happiest The Accel Fuel setting can also be used as a troubleshooting tool for a specific type of installation problem If the EZ EFI system does not have a good ground connection to the battery it is possible for the various sensor readings to appear jumpy to the ECU This jumpiness in the sensor readings may or may not show up on the hand held s Live Display screens This can fool the ECU into repeatedly invoking the Accel Fuel feature causing extra fuel to be injected This could lead to an overly rich and unstable idle and prevent the ECU from learning Once the engine is fully warmed up if temporarily turning the Accel Fuel setting all the way down makes the engine idle noticeably better or conversely if turning it all the way up makes it idle worse that could indicate a bad ground or some other source of noise After the test remember to set the Accel
42. ature EZ EFI has two electric fan outputs with independently adjustable Fan On Temperatures Select the desired fan and adjust the activation point with the dial on the right hand side of the screen Rotate the dial clockwise to raise the activation point and counter clockwise to lower the activation point Fan Off Temperature 15 automatically adjusted up or down along with the Fan On Temperature When coolant temperature goes above a Fan On Temperature setting that fan output becomes active and its output wire goes to ground to trigger a fan relay Fan 1 uses the blue FAN 1 RELAY wire Fan 2 uses the blue white FAN 2 RELAY wire When coolant temperature drops below that fan s Fan Off Temperature setting the output 15 disabled AFR Targets yx Air Fuel Ratio Targets Targets define key pivot points which are automatically interpolated to create full resolution map Typical Range Idle CN Typical Range Cruise 14 0 135 147 Typical Range WOT 12 8 12 5 13 1 To adjust a setting touch the Idle Cruise or WOT textbox Then enter the desired air fuel ratio on the keypad using three digits and press Ent For example enter 135 for a 13 5 air fuel ratio The value FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 will be sent to the selected textbox For E85 applications you may only need to enter two digits Fo
43. before continuing Screens that are only accessible from the Advanced menu use a Cancel button to discard changes and a Confirm button to save changes Setup Wizard Navigation Buttons BACK NEXT Discard changes a Save changes Retreat to Proceed to next previous screen screen Advanced Navigation Buttons CANCEL _ CONFIRM Discard changes k Save changes Return to Return to Advanced screen Advanced screen FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Engine Parameters lt Engine Parameters Number of cylinders a i ime m f L M Engine Cubic Inches 350 Tx 350 454 etc Idle RPM _ Typical 650 1200 Rev Limit 6500 Max engine RPM To adjust a setting touch the Engine Cubic Inches Idle RPM or Rev Limit textbox Then enter desired numbers on the keypad and press Ent The value will be sent to the selected textbox Number of cylinders Choose from 4 6 or 8 The button s LED will indicate selection Engine Cubic Inches To convert from liters to cubic inches use the following formula Cubic Inches Liters x 61 0237 Idle RPM The target idle speed maintained by the IAC motor and by idle timing trim if the EZ EFI is controlling ignition timing and the idle timing trim feature is enabled Some engines like to idle higher than others This
44. best to check for error codes before powering down the ECU A persistent problem sensor disconnected for example will set an error code when the ECU is keyed on But an intermittent problem may only be detected while the engine is running Load Indexed Speed Density The EZ EFI system operates with a fueling strategy known as Load Indexed Speed Density Just like a traditional Speed Density system it uses manifold pressure air temperature and engine speed along with other considerations to calculate the proper amount of fuel to inject At wide open throttle manifold pressure is equal to the ambient atmospheric pressure If you drive at high altitude the ECU will see a lower manifold pressure at wide open throttle since atmospheric pressure is lower than it would at sea level A traditional Speed Density strategy uses manifold pressure to locate values in various lookup tables So the engine will operate differently at high altitude than it would at sea level The EZ EFI system s Load Indexed Speed Density avoids this inconsistency by using a calculated Load for table lookups instead of raw manifold pressure This Load 1s a comparison of the current manifold pressure vs the ambient atmospheric pressure This means that at any altitude full throttle or any other throttle position operates on the same parts of the lookup tables At full throttle at high altitude the ECU will still see manifold pressure that is lower than it would at sea lev
45. crimped on use a heat gun or other heat source on the insulation to shrink it and seal it to the wire A good ground connection is important for proper operation Be sure that the ring terminal touches clean bare metal In Line Fuel Pump System Installation In Line fuel pump system installation is similar to the in tank installation except that the fuel sender module removal is not required However if there is a fuel pump already installed in your tank from your previous fuel system it is recommended that you remove it Also many stock systems have a sock type pre filter installed in tank If your application does please check that the sock filter is clean Clogged filters can strain your new in line pump IMPORTANT be sure to mount your in line fuel pump below the lowest point of your fuel tank otherwise the pump will not be able to properly prime if the fuel level is low Also mount the pump as close to the fuel tank as possible for best performance Follow the diagram below for proper installation Keep in mind that the fuel pump included with the FASTTM kit features an integrated pre filter If you run a different pump without a pre filter be sure to install a pre filter 1n line before the pump FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 In Line Pump Fuel System Layout FUEL PRESSURE e SENSOR BE SURE TO USE HOSE CLAMPS INCLUD
46. dle on the paddle wheel It is important for this the paddle to be as centered as possible but there will FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 29 be an opportunity to check the alignment and compensate for any misalignment with the hand held later in this installation procedure Paddle Wheel 5 Clamp down the distributor 6 Next it 1s important to phase the rotor to the cap This will ensure that the rotor is in the correct position throughout the timing sweep in order to fire to the correct cylinder terminal If the rotor is not properly phased then during operation the rotor tip can sweep too far away from the correct terminal causing a weak spark or mis fire and a lot of electrical noise In order to correctly phase your distributor you will need a phasable rotor such as MSD PN 84211 if you do not already have one Phasable Rotor 7 Install the phasable rotor bottom and loosely install the rotor top FASTTM Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 30 8 Next rotate the motor backwards from TDC to 30 BTDC 30 is a good average timing that will work well with most EZ EFI installations If you know that your engine will be running significantly higher or lower timing please adjust accordingly 9 Set the cap
47. do not have access to a welder and your car is running before performing this conversion consider driving your car to a qualified exhaust shop to have this bung welded in before beginning installation This will prevent you from having to remove a section of your exhaust to carry to the shop later on NOTE If you drive the car with the bung welded in before performing the conversion be sure to install the included O2 plug to cap off the bung instead of the oxygen sensor Installing the oxygen sensor without it being connected to power will prevent it from being heated and will cause carbon to build up which can damage the sensor element Other parts you might need FAST engineers have worked hard to ensure that your new EZ EFI kit includes everything you will need to perform the conversion with basic tools found in most shops However certain applications may require extra parts not included that you may want to purchase before beginning Check out the list below and consider if any of these apply to your application Fuel injection rated fuel system As with all modern fuel injection systems the EZ EFI requires a much higher pressure fuel system than carbureted applications do For this reason you will need to install a new fuel injection rated fuel system in your vehicle If you purchased a 30401 KIT or 30402 KIT 55 Master Kit or one of the FASTTM fue kits then you have everything you need to make the switch T fittings fo
48. e pump Connect the pump to a tank outlet being sure to use the submersible rated hose If an outlet is not available a bulkhead fitting has been included with the fuel kit to provide for one If using the bulkhead fitting be sure to use the provided nylon washers on either side of the hole J gt to Las 7 We Wire the pump using the included pigtail and feed the wires out of the tank using the supplied two wire sealed bulkhead fitting With the fuel pump module complete and reinstalled in the tank now run the rest of the system as shown in the layout on the following page If running a returnless style fuel system plug off one of the ports on the throttle body either port can be used as the inlet and the other will be plugged You will not need to install the fuel pressure regulator or the return line to the fuel tank FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 In Tank Fuel Pump System Layout FUEL PRESSURE sensor im cilio mmm BE SURE TO USE HOSE CLAMPS DO NOT FORGET TO USE PROVIDED a INCLUDED ALL PUSH LOC EITHER SIDE OF THE THE BULKHEAD FITTINGS HOSE CONNECTIONS THROTTLE BODY MAY BE USED AS THE INLET OR OUTLET ET VACUUM REFERENCE LINE FROM FUEL TANK BARBED REGULATOR FITTING TO 1 8 THROTTLE BODY VACUUM PORT LABELED A EITHER
49. eature will not continue to occur on subsequent key cycles unless the engine has been started e The pre squirt feature will not cause the blue CRANK DIAG LED on the face of the ECU to come on solid when the engine isn t running as a false RPM signal would It also won t cause a tachometer to display a non zero RPM value 2 Inductive coil Another source for an RPM signal is the negative side of the ignition coil in a traditional dwell controlled inductive ignition system This 15 one in which the coil is fed power on one side and is charged by grounding the other side either by points or some form of electronic module A standard unmodified HEI is one example of this type of ignition system To use this RPM signal option the RPM Module is required The RPM Module connects to the negative side of the coil and outputs a Tach signal to the ECU The RPM Module is connected as follows WIRE COLOR CONNECTION Negative side of coil RPM INPUT wire in wiring harness The RPM Module is provided to allow this convenient installation option But keep in mind that it has limitations The negative side of an ignition coil is one of the noisiest points on the engine There are large voltage spikes and ringing when the coil fires Different coils will have different noise characteristics And this noise can change as the engine runs Anything that affects how hard the coil has to work to fire the spark plug changing cylinder p
50. ed with EZ EFI fuel system kits Negative control side of a relay for powering Fuel Pump a fuel pump Do wire directly to fuel Harness Relay pump Not used with pre wired EZ EFI fuel single pin pump relay harness included with EZ EFI9 fuel system kits Hand held cable that links the main wiring Hand Held harness to the hand held user interface Nitrous activation wire Feeding power to Nitrous Input Gray Red this wire tells the ECU that a nitrous oxide system has been activated FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Oxygen Sensor RPM Input Throttle Body Relay wiring Wideband oxygen sensor O2 mounted in exhaust Points input on an ignition box to make it fire Only used when EZ EFI is controlling ignition timing See Ignition System Options for more details If this wire is being used the RPM INPUT wire will not be used and vice versa A tach output from an ignition box or other source Or the EZ EFI RPM Module This is the RPM input for the ECU when it is not controlling ignition timing See Ignition System Options for more details Do NOT connect this wire directly to an ignition coil See RPM Module notes If this wire is being used the POINTS OUTPUT wire CRANK TRIGGER connector and DISTRIBUTOR connector will not be used Pigtail on throttle body
51. ed as needed to protect the loose wires in the wiring harness once they have been routed and cut to length After cutting the wire covering use a cigarette lighter or other heat source to seal the cut and prevent fraying e The fuse on the red BATTERY POS wire is 25 other fuses in the harness are The connections on the wiring harness are all clearly labeled They are connected as follows LABEL PHOTO LOOSE WIRE COLOR CONNECTS TO Switched ignition source hot in On Run and Crank This turns the ECU on and off Do NOT connect to the positive side of an ignition coil Air conditioner switch Feeding power to this 12V Switched Pink wire tells the ECU that the air conditioner A C Input has been switched on Idle speed will be bumped up and the fan outputs will be activated Battery NEG DIRECTLY to negative post of battery Battery POS Rq DIRECTLY to positive post of battery FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 CAN Link CAN enabled devices FAST EZ LS FAST XIM TCI9 EZ TCU etc i Configurable Gray Black Reserved for future use Input Configurable Blue Yellow Reserved for future use Output _ Coolant Temperature Sensor CTS typically Coolant Temp installed in intake manifold This lead comes from the throttle body harness FAST Crank Trigger or other 2 wire inductive p
52. el But because that lower manifold pressure 1s equal to the ambient atmospheric pressure it is still considered 100 load This all happens behind the scenes and requires no special attention from the driver FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Complementary Parts DESCRIPTION v SBC Crank Trigger for 8 00 Balancer BBC Crank Trigger for 8 00 Balancer 305010 FE Ford Dual Sync Distributor 305016 Pontiac Dual Sync Distributor 305018 Oldsmobile Dual Sync Distributor FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Social Media Stay up to date with the latest FASTTM and COMP Performance Group M company and product Information by following us on any of our social media platforms facebook com FASTWins twittercom FASTEF cpgnation com FAST M LIMITED LIFETIME WARRANTY AND LIMITED WARRANTY FAST warrants that its EZ EFI products are free from defects in material and workmanship for the lifetime of the product This Limited Lifetime Warranty shall cover only the original purchaser other FASTTM products are covered by a Limited Warranty which covers defects In material and workmanship for a period of one year from the date of purchase FAST s obligation under this warranty is limited to the
53. el pump Secure the red wire to the positive post and the black wire to the negative post using the supplied lock washers and nuts The remaining loose end of the black wire needs to be connected to ground A larger blue ring terminal is Included for this purpose Cut the black wire to a convenient length and install the ring terminal One of the fuel pump mounting bolts 1s often a convenient ground location After the ring terminal has been crimped on use a heat gun or other heat source on the insulation to shrink it and seal it to the wire good ground connection is important for proper operation Be sure that the ring terminal touches clean bare metal O2 Bung Installation The Wideband Oxygen Sensor needs to be mounted in the exhaust system A threaded fitting and block off plug are provided The fitting needs to be welded into place To install the fitting drill a 7 8 diameter hole and weld the fitting centered in the hole If you do not have access to a welder any competent exhaust shop can install the fitting for you Use the supplied block off plug not the oxygen sensor to cap off your new oxygen sensor fitting until you are ready to complete the rest of the EZ EFI installation Oxygen sensors use a built in heater If the sensor is installed but not connected it will not be heated and deposits may build up in the sensor and cause damage FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com M
54. el system that 1s the pressure the mechanical fuel pressure regulator was set to with pump on and engine off Or it is the target fuel pressure selected for a returnless fuel system If it is significantly lower the fuel system is not keeping up with the engine s fuel demand 4 Check for any debris in the fuel pump fuel filters 5 Verify that the fuel tank is vented NOTE If the fuel system or InJectors are not supplying enough fuel for the engine it is most likely to only be a problem at high RPM and high load Unless there is a major fundamental failure in the fuel system an Inj DC Limit fault should not mean it is unsafe to run the engine Just be careful to avoid high RPM high load until the issue has been resolved When an error code is set learning will be disabled until it is cleared The two exceptions to this are the and Inj DC Limit faults An fault does not disable learning because a failed IAC does not affect the fueling calculations An Inj DC Limit fault does not permanently disable learning Instead it only temporarily disables learning while injector duty cycle is above 100 Once injector duty cycle drops back below 100 learning can resume Engine Protection Limp Mode Besides being a powerful troubleshooting tool the on board diagnostics also protect the engine Contingency plans are built into the ECU so that if a sensor fails protective action can be taken If for example there is a problem wi
55. ely in particularly cold weather giving the sensor some time to heat up allowing 10 15 seconds between key on and cranking may contribute to smoother starting The O2 LED displayed on the hand held s Live Dashes will indicate when the oxygen sensor has warmed up and begun functioning properly Until then there will be no closed loop fuel control e Moving the throttle pedal during the first several seconds after key on as the fuel pump is being primed will also cause additional fuel to be injected This has the effect of adding additional pre squirt fuel This is typically not required Care should be taken to avoid accidentally moving the pedal during this time FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Learning does not begin until the engine is warmed up Coolant temperature must be above 140 F for learning to begin There are various qualifying conditions that must be satisfied for learning to take place This prevents the ECU from learning from inappropriate feedback Many of the learning qualifiers have to do with making sure the engine is in a steady state condition no rapid changes The Learning LED displayed on the hand held s Live Dashes will indicate when learning 15 enabled This can be used as feedback to give the driver a feel for when the ECU will or will not learn Learning will take place automaticall
56. em has a pre squirt feature that helps starting by injecting a measured amount of fuel into the manifold at key on A clicking sound can be heard from the throttle body as the injectors pulse Once this feature has been activated key on fuel injectors cycled it will be disabled until the engine has run This prevents flooding the engine if the ignition Is cycled on and off multiple times for whatever reason Also bear in mind that less pre squirt is used at higher engine temperatures If the engine is hot enough at key on there may be little to no pre squirt clicking heard For both of these reasons not hearing the injectors clicking at every key on is not a sign of a problem e A flood clear mode is available if the engine does somehow become flooded and does not want to start If the throttle is held open past 80 while cranking no fuel will be injected Continue to hold the throttle open while cranking Once the extra fuel 15 purged and the engine starts to fire release the throttle and allow the engine to settle on its own e In normal conditions it is good practice but not strictly required to key on and listen for the pre squirt feature injectors clicking in the throttle body to finish before cranking the engine This takes about 2 seconds to complete e The wideband oxygen sensor has an internal heater to keep it at the correct operating temperature The warm up process begins at key on If the engine has cooled complet
57. emphis TN 38118 Revised 7 15 13 Phone 901 260 3278 19 NOTE Installing the threaded oxygen sensor fitting should be the first step in the installation process It should be done before you begin removing your existing fuel induction system That way you can still drive to an exhaust shop if needed Ne w k 1 Wo Wideband Oxygen Sensor Installation Notes pi II r e Install the sensor Just upstream of the catalytic converter if present The sensor can be installed after the converter but the readings will register slightly leaner than if measured before the converter e Ideally the sensor should be mounted at least 10 above horizontal wire side up sensor tip down This prevents moisture from collecting in the sensor N W SS W ANU e sensor should not be installed closer than 20 inches from the cylinder head to ensure excessive heat does not damage the sensor e The sensor should be installed in or after the collector This gives the ECU an average reading across an entire bank instead of from just one cylinder e The sensor should not be mounted near the open end of the exhaust system At low engine speeds free air may reverberate into the exhaust and cause false readings e The system will not function properly if there are any exhaust leaks Any fresh air that gets to the sensor will cause false lean readings The ECU will respond by adding fuel that the
58. engine doesn t need NOTE The use of leaded fuel will significantly reduce the lifespan of the oxygen sensor Coolant Temperature Sensor Installation FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 The Coolant Temperature Sensor monitors engine coolant temperature It is typically installed in an existing mounting hole on the top of the intake manifold The sensor has 3 8 NPT threads The supplied adapter may be required to install the sensor in some manifolds with 1 2 NPT threads The engine block or cylinder head may have a provision for mounting a coolant temperature sensor Just be aware that heat radiated from headers may be absorbed by the metal sensor body and skew the temperature readings to the ECU Also depending on your application you may have to drain some coolant before removing the plug in your manifold to prevent overflow Use thread sealant or tape when installing the sensor and the adapter ECU Electronic Control Unit Installation ECU Installation Notes e The ECU is water resistant when the USB port plug is in place It can be mounted in the engine compartment or in the vehicle s interior e The USB port is used to connect the ECU to a computer in the event that an ECU update becomes available The USB port is not used in normal operation e Avoid mounting locations that expose the ECU to extreme heat or that conf
59. essed from outside the Setup Wizard by selecting Fuel System from the Advanced menu After confirming the fuel system settings you will be taken to the appropriate Fuel System Test screen Return Fuel System Returnless Fuel System T Fuel System Test e v FZ Fuel System Test EFI The fuel system should pressurize to target or greater Target fuel pressure Target fuel pressure is Current fuel pressure Current fuel pressure is Press the START button to begin Press the START button to begin Return Fuel System The first test is for return style fuel systems that use a mechanical fuel pressure regulator and a return line back to the fuel tank The target fuel pressure will be shown along with current fuel pressure Pressing the START button will engage the fuel pump Pressing the STOP button will turn the pump off For safety the fuel pump will automatically turn off after approximately 10 seconds Use this time to adjust the regulator and ensure that current fuel pressure is equal to target fuel pressure Turn the adjustment screw on the top of the regulator clockwise to raise the pressure or counter clockwise to lower it Be sure to tighten down the jam nut when finished adjusting the fuel pressure The test can be re run as necessary by pressing the START button again NOTE Ifthe pump does not come on during this test or comes on but only for an instant and if the blue CRANK DIAG LED on the ECU is flashing ra
60. etc Additional information for ES5 Due to the unique properties of E85 different air fuel ratios are used with that fuel E85 air fuel ratios will be numerically lower Multiplying a gasoline air fuel ratio by 0 68 gives a good approximation of the equivalent E85 air fuel ratio E85 Air Fuel Ratio Gasoline Air Fuel Ratio x 0 68 For example if an engine likes to idle at 13 5 1 air fuel ratio on gasoline it should like somewhere around a 9 2 1 air fuel ratio when running on E85 Enrichment Fuel MN Enrichment Fuel amp ccel Fuel Cold Start O o Range 8 to 8 Range 8 tn 8 Cranking Fuel Enrichment Fuel Range 8 to 8 Help Guide Accel Fuel When the throttle 15 opened quickly the engine needs an extra dose of fuel for smooth operation In electronic fuel injection this is commonly referred to as Acceleration Enrichment or Accel Fuel It is very similar to the accelerator pump on a carburetor The ECU is preloaded with typical settings for Accel Fuel This feature allows you to adjust those settings for more or less Accel Fuel by selecting a positive or negative adjustment factor Selecting zero leaves the ECU to use the preloaded values FASTTM Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Accel Fuel 15 a fine tuning detail to adjust how the engine responds to throttle changes In general it should only be
61. ffset from the commanded timing For example on a single coil engine getting its crank signals from a crank trigger or a distributor the ECU expects those crank signals to occur at TDC 0 BTDC That is the 00 0 that appears on the Timing Verification screen If the crank signals are indeed occurring at TDC the ECU s calculations will be correct and a timing light will show actual timing that matches commanded timing Commanded timing is locked at 20 BTDC during this test If the crank signals are instead occurring at 3 BTDC due to physical misalignment the crank trigger or distributor not being installed right at TDC the ECU s calculations will be based on incorrect information namely that the engine is really at 3 BTDC when the ECU thinks it is at 0 BTDC In this case a timing light will show actual timing to be 23 BTDC instead of the 20 BTDC the ECU 15 shooting for Adjusting this setting is telling the ECU that the crank signals aren t occurring exactly where it is expecting them to As this setting is adjusted the ECU recalculates when to fire a spark and actual timing moves You will know this setting is correct when a timing light shows the actual timing matching the commanded 20 BTDC In the example above that would happen when the Plus button had been used to raise this setting from 00 0 to 03 0 Of course any misalignment of the crank trigger or distributor could be corrected by physically
62. g timing that input signal will have some specific requirements and the EZ EFI will also interface with an external ignition that will drive the coil s FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Single Coil Distributor Equipped Engine WITHOUT Timing Control In this scenario ignition Is handled just like it would be with a carburetor It could be an old mechanical points distributor or any number of more modern solutions for ignition on carbureted engines In any case something else 1s driving the coil and determining when it should fire The EZ EFI just needs to know each time the coil fires That will tell it engine RPM If a CD ignition box is being used EZ EFI will get its RPM signal from the ignition box s tach output If a traditional dwell controlled inductive coil ignition system is being used no CD ignition box the EZ EFIG will get its RPM signal by going through the RPM Module to the negative side of the coil See the RPM Module section for much more detail and important warnings In the Setup Wizard select NONE on the Ignition Type screen If using Traditional Inductive CD Ignition Coil Ignition DISTRIBUTOR mc n n c Inputs c RPM INPUT CD enton RPM Module Tach Output n c no connection Harness Connections Single Coil Distributor Equipped Engine W
63. h carburetor refer to the manufacturer s specs for your particular carburetor NOTE If you will have the carburetor removed for a length of time be sure to plug your manifold with clean rags so that no foreign debris is allowed to enter the engine 3 Install your new EZ EFI throttle body using the provided gasket and fasten using the screws or studs that were used for your carburetor 43 4 If your carburetor had a Holley style linkage you can reuse the same cable stops and return springs Otherwise you will need a cable mount and return spring kit such as FAST M PN 304147 Be sure to utilize a cable corrector plate included with the 304147 kit if running a 700R4 transmission A common size throttle ball stud and nylock nut are included for connecting the throttle cable to the linkage 5 Reconnect all vacuum hoses being sure to connect any ported vacuum systems to the correct 1 8 port as shown below Leave any unused ports capped with the provided rubber caps FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 1 8 Ported Vacuum Manifold Vacuum 1 8 labeled A 2x 3 8 labeled B amp C 6 When your entire installation 1s finished be sure to install an air cleaner onto your throttle body using the stud from the carburetor that you removed Standard carburetor style air cleaners fit the EZ EFI throttle body or chec
64. his LED should go out immediately at key off INJ A INJ B Indicates when each injector output is active These will start to appear Orange Flashing INJ C more solid as RPM increases INJ D POINTS Indicates that the ECU s ignition output is actives This LED will still be on Solid even if the EZ EFI is not set up to control timing FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 On Board Diagnostics The EZ EFI system includes a robust self diagnostics feature The ECU constantly monitors various inputs and outputs for any deviations from normal operation If any are detected the blue CRANK DIAG LED on the ECU flashes rapidly as a warning that there is a problem That LED comes on solid when the ECU detects an RPM input It will be lit solid while the engine is running normally Also the Error LED displayed on the hand held s Live Dashes acts like a Check Engine Light It will signal if an error code has been set The hand held can be used to read any error codes that have been set Once an error code 15 set it is saved in ECU until the ECU 15 reset by keying off and allowing the ECU to complete its shutdown procedure The shutdown procedure is complete when both green LEDs on the ECU turn off This takes approximately 5 10 seconds Error codes can also be cleared with the hand held at any time The following error codes
65. ickup This is one option for a crank reference input to allow EZ EFI to control ignition timing See Ignition System Options for more details If this connector is being used the DISTRIBUTOR connector and RPM INPUT wire will not be used FAST Dual Sync Distributor connector or other discrete pickup This is one option for a crank reference input to allow EZ EFI to control ignition timing This connector is also used to interface to a FAST EZ LS Distributor FAST XIM ignition system for coil per cylinder applications See Ignition System Options for more details If this connector is being used the CRANK TRIGGER connector and RPM INPUT wire will not be used FAST Dual Sync Distributor power wire This feeds 12V switched power to a FAST Dual Sync Distributor or this can power a FAST EZ LS FAST XIM ignition Distributor Power FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 ______ isto Fan 1 Rela Blue Negative control side of a relay for powering Y an electric fan Do NOT wire directly to fan Negative control side of a relay for powering Fan 2 Relay Blue White a second electric fan Do NOT wire directly to fan Fuel Pressure Fuel pressure sensor 4055399 Fuel Pump Harness Relay multi pin EZ EFI fuel pump relay harness includ
66. imately 5 10 seconds from key off the battery leads can be disconnected or the ECU can be disconnected from the wiring harness if necessary Once saved into long term memory the tune can remain in an un powered ECU for years The EZ EFI system is intended for naturally aspirated engines only no turbos or superchargers Along with air fuel ratio and other fueling related factors ignition timing also plays a large role in how an engine runs If the EZ EFI is not being used to control 1gnition timing be sure that the ignition system has an appropriate timing curve Don t forget to consider factors like mechanical and vacuum advance For example if the engine has a surging idle it might want a richer lower number Idle Air Fuel target Or it might want less timing Or the cause could be oscillating timing caused by overly light springs in the distributor Another example would be if idle speed often dips and threatens to stall The engine may prefer a different Idle Air Fuel target It could also be that more base timing or more vacuum advance would give the engine a more robust idle These examples happen to be about idle but of course timing affects all modes of engine operation tip in acceleration cruise etc The point is that air fuel ratio and timing both need to be optimized for the engine to run at its best If you ever notice the TPS reading is not at idle make sure that nothing is interfering with the throttle linkage and
67. inal ignition timing the engine sees Total Timing 15 composed of three components Value from RPM based timing curve Idle Adv Timing added or subtracted to influence idle speed Optional See Advanced menu Timing added based on manifold vacuum Optional See Advanced menu Total Timing Timing related data is only valid when EZ EFI is controlling timing Live Data The Live Data section of the hand held consists of a series of dashes that display live ECU data To switch between dashes or to return to the home screen use the tabs at the bottom of the screen The text will highlight green to indicate the current screen Across the top of every dash are 4 LEDs that indicate the following LABEL DESCRIPTION This indicates that all of the enable conditions for TS learning are met and that learning is currently enabled This can be used as feedback to give the driver a feel for when the ECU will or will not learn The oxygen sensor has been initialized and is providing O20n feedback to the ECU This must be ON before closed loop fuel control is possible A nitrous signal has been detected and the user defined Nitrous nitrous AFR and timing values are in effect The ECU s on board diagnostics has detected a Error problem Refer to the Codes screen in the Diagnostics section of the hand held to determine what code has been set FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark c
68. ine it to a closed area with no air circulation e ECU should not be mounted close to electrically noisy components In particular keep good spacing try for 2 feet minimum from ignition components ignition boxes coils distributors etc e There are LEDs on the front face of the ECU which can be used to monitor its operation and to signal if the on board diagnostics has detected a problem To take advantage of this feature the ECU will need to be mounted so that the front face of the ECU 15 visible The hand held will also indicate if any faults have been detected so the ECU does not have to be visible to the driver e Self tapping screws are included for mounting ECU Wiring Harness Installation Wiring Harness Installation Notes e The main battery wires labeled BATTERY POS and BATTERY NEG MUST BE CONNECTED DIRECTLY to the battery Connecting them anywhere else invites FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 21 problems with electrical noise These kinds of problems are difficult to diagnose The wires may be extended if needed using automotive grade 10 gauge or larger wire e Yellow ring terminals are included for making the battery connections After the ring terminals have been crimped on use a heat gun or other heat source on the insulation to shrink it and seal it to the wire e sure the
69. k out FAST PN 30420 for the matching air cleaner to your EZ EFI throttle body Fuel System Types If you have not already done so you must now choose the type of fuel system you will run For the most reliable and best performing system FAST engineers recommend an in tank mounted pump running a return style flow Return vs Returnless Return style systems constantly pump fuel in a circuit starting at the tank running up to the engine and then any excess fuel is returned to the tank Fuel pressure is controlled with a mechanical pressure regulator in this style system Return style systems are the most consistent In terms of fuel pressure and fuel flow which adds to the stability of the EFI system Return style systems also help to keep the fuel cooler by circulating it out of the hot engine bay and by constantly cooling the fuel pump This helps prevent a condition known as vapor lock where the fuel boils and disrupts the running engine Returnless style systems pump fuel from the tank to the engine but do not return fuel to the tank The EZ EFI ECU controls fuel pressure in this scenario by varying the speed of the pump These systems may be more convenient if there 15 a shortage of available inlets vents to the fuel tank and one is not easily added It also prevents the need to run a second fuel line down the length of the car NOTE Returnless style fuel systems require the use of the in tank pump included with PN 30401
70. ld result severe engine damage Nitrous AFR Target Nitrous Timing Target When a nitrous signal is detected the ECU will begin using this AFR target and this locked timing value e Nitrous Signal Detected To adjust a setting touch the Nitrous Target or Nitrous Timing textbox Then enter the desired numbers on the keypad and press Ent The value will be sent to the selected textbox When entering an air fuel ratio use three digits For example enter 120 for a 12 0 air fuel ratio For E85 applications you may only need to enter two digits For example enter 82 for an 8 2 air fuel ratio FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Improper use of nitrous oxide systems can result in costly engine damage Typical naturally aspirated engine air fuel ratio targets and timing targets are unsafe for nitrous oxide use Be sure you understand the proper configuration of nitrous oxide systems before deciding on these settings When the ECU has detected the activation of a nitrous oxide system by having power applied to the eray red NITROUS INPUT wire it will begin using the special settings found on the Nitrous Setup screen The closed loop fuel control will work to maintain the Nitrous AFR Target And if the EZ EFI is being used to control ignition timing timing will be locked at the Nitrous Timing Target value
71. le Trim e Vacuum Advance ON Use this button to enable the Vacuum Advance feature The button s LED is illuminated green when this feature is enabled e Maximum Vacuum Advance The maximum ignition advance added just off idle e Maximum Vacuum Threshold The breakpoint above which the added ignition advance will begin tapering out Load can be monitored live on the Master Dash to help fine tune this setting Vacuum Advance Help This button brings up a help screen Press the Confirm button on the help screen to close it Idle Trim Advancing or retarding ignition timing can make an engine want to speed up or slow down The EZ EFI can use this principal as another way in addition to the idle motor to maintain the desired idle speed Besides giving the ECU additional influence on engine speed the Idle Trim feature can also react very quickly For both of these reasons it is often a nice complement to the idle motor e Idle Trim ON Use this button to enable the Idle Trim feature buttons LED is illuminated green when this feature 1s enabled e Maximum Idle Trim Sets the maximum number of degrees of timing the ECU can add or FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 59 subtract to influence idle speed Some engines may like more some may like less 5 degrees is usually a good starting point The f
72. lly used with a nitrous oxide system no matter what is entered on this screen An external timing retard device will be needed Vacuum Idle Timing Vacuum Idle Timing Vacuum Advance Maximum Vacuum Maximum Vacuum Advance Threshold Vacuum Maximum Idle Advance Trim ECU can vary timing to help control idle speed Degrees FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Timing Trim Help 129725777 is added to the base timing at low load 45 load increases past the amount of added timing is reduced to degrees near WOT DEGREES ADDED Full Throttle Vacuum Advance An RPM based timing curve is set on the Timing Setup screen It is similar to mechanical advance on a traditional distributor The Vacuum Advance feature 1s similar to a vacuum canister on a traditional distributor It can add ignition advance based on manifold vacuum as read by the MAP sensor This feature is disabled when the throttle is closed to mimic a traditional ported vacuum arrangement The amount of advance that is added 1s greatest just off idle at low load high manifold vacuum Once past an adjustable load vacuum threshold the extra advance tapers down to zero as the engine approaches 100 load zero vacuum full throttle conditions At that point timing will be solely based on the RPM based timing curve no offsets from Vacuum Advance or Id
73. nstall The built in LEDs will indicate when the distributor is lined up correctly Because the FAST Dual Sync Distributor is pre phased no extra steps are required to achieve proper rotor phasing An alternate installation method can be used that does not require the distributor to be powered 1 Verify that the module in the distributor is installed in the O position Refer to the instructions included with the distributor for details 2 Roll the engine over to 30 BTDC 3 Set the distributor to the 1 position and drop it into the engine Do not clamp it down yet 4 Set the cap on the distributor and mark the middle of the 1 terminal on the distributor body Remove the cap 5 Rotate the distributor body until the center of the mark you made i1s lined up with the center of the rotor tip Then clamp down the distributor and install the cap 6 Your crank signal is now set and your rotor is phased Because the FAST Dual Sync Distributor 1s pre phased at 30 BTDC lining up the rotor tip and terminal with the engine at 30 BTDC also puts the pickup in the correct location The DISTRIBUTOR connector in the harness mates directly to the distributor There is also a DISTRIBUTOR POWER wire in the harness to feed the power wire on the distributor The mating male terminal is supplied loose in the kit It can be installed on the distributor s power wire to complete this connection In the Setup Wizard select FAST Dist
74. om Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Dash 1 S3Learning 902 on nitrous FAST Aer 195 Coolant 7 6000 1500 gt 75 105 02 Cor y Air Temp 043 709007 12 9 Fuel PSI RPM Battery Master Home Dash 2 Learning o2 On error Nitrous FAST 4500 0 3 100 oa m 7 6000 Inj DC FP DC 5 14 7 043 AFR Fuel PSI 4 j 900 195 12 9 RPM Coolant Temp Battery Master Home Dash 3 Learning 02 Error E itrous FAS 4500 pr AFR SC AL 6000 YUL Target Actual 1500 7500 1 5 Total Timing 0 900 00 02 Cor Master Home FAST M Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Master Dash C METUENS S AFR Target AFR O2 Cor IAC RPM Coolant Temp Air Temp MAP Load TPS Fuel PSI FP DC Inj DC Lb Hr TPS Volts Battery Base Timing Idle Adv Vacuum Adv Total Timing 1 2 3 ome The Master Dash is designed for easy viewing of all sensors and user accessible values For example this dash may be used as an overview to quickly verify that all sensors are reading expected values Also note that the 1gnition timing related values are given along the bottom of the Master Dash the three component parts as well as the end result Base Timing Idle Adv Vacuum Adv Total Timing
75. on the distributor and mark the middle of the 1 terminal on the distributor body 10 Remove the cap and adjust the phasable part of the rotor until the center of the rotor tip is lined up with the center of the mark you made Then tighten the rotor adjuster screw and install the cap 11 Your crank signal is now set and your rotor 1s phased A wiring adapter will be needed to connect this to the CRANK TRIGGER connector in the harness Matching up the wire colors correctly is important for stable consistent timing If they are backwards the engine will still run but ignition timing will likely be less stable and actual timing may drift with RPM away from the commanded value CRANK TRIGGER FAST MSD DISTRIBUTOR CONNECTOR PIN WIRE COLOR WIRE COLOR In the Setup Wizard select FAST Crank Trigger 2 Wire on the Ignition Type screen FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 If using FAST Crank FAST Dual MSD Crank MSD 2 Wire Trigger Sync Distributor 45 FAST Dual DISTRIBUTOR Cesmeuow Sync AN Inputs CRANK TRIGGER FAST Crank MSD Crank d 2 Wire Trigger 0 RPMINPU mc mc Output points output lenition C ao T m Points Input Points Input Points Input Points Input n c no connection requires adapter harness Harness Connections Igni
76. ons the RPM INPUT wire in the EZ EFI wiring harness is connected directly to the Tach output from the ignition box The RPM Module included with the kit is not used in this case And no part of the EZ EFI system is connected to the coil NOTE Some aftermarket 1gnitions have a feature for displaying their programmed rev limit This is accomplished by briefly outputting an RPM signal on their tach output wire soon after key on The intent 1s to have the vehicle s tachometer display the rev limit setting This feature is not well suited for some fuel injection systems including EZ EFI as it appears the engine is actually running at that speed This can lead to the ECU rapidly pulsing the injectors injecting a large quantity of fuel and flooding the engine Contact your ignition vendor to verify whether or not your ignition product has this feature and for details on FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 disabling it Keep in mind that it is normal for the EZ EFI system s pre squirt feature discussed in the EZ EFI SYSTEM FEATURES section to pulse the injectors for a second or two right at key on This feature can be distinguished from a potential ignition Issue in several ways e The pre squirt feature will inject a measured amount of fuel it will not come anywhere near flooding the engine e The pre squirt f
77. ortant to phase the rotor to the cap This will ensure that the rotor is in the correct position throughout the timing sweep in order to fire to the correct cylinder terminal If the rotor 1s not properly phased during operation the rotor tip can sweep too far away from the correct terminal causing a weak spark or misfire and a lot of electrical noise 1 Roll the engine over to 30 BTDC 30 is a good average timing that will work well with most EZ EFI installations If you know that your engine will be running significantly higher or lower timing please adjust accordingly 2 Set the distributor to the 1 position and drop it into the engine Do not clamp it down yet Set the cap on the distributor and mark the middle of the 1 terminal on the distributor body Remove the cap 4 Rotate the distributor body until the center of the mark you made 15 lined up with the center of the rotor tip Then clamp down the distributor and install the cap 5 Your rotor is now phased FAST M Dual Sync Distributor The FAST Dual Sync Distributor is designed as a locked out unit It has no weights or springs or vacuum canisters Once it 1s set in place it provides a crank signal that does not move with engine speed or load exactly what the EZ EFI needs Also the rotor is pre phased from the factory at 30 BTDC Roll the engine over to TDC on 1 compression stroke Follow the instructions included with the distributor for a TDC i
78. ough fuel The ECU has determined that the injectors need to be open longer than the time available MAP Voltage Manifold Absolute Pressure sensor signal voltage too high or too low FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Wideband oxygen sensor unable to initialize disconnected or O2 Sensor malfunctioning TPS Voltage Throttle Position Sensor signal voltage too high or too low Troubleshooting O2 Fuel Pressure Sensor MAP TPS ATS and CTS Faults 1 4 Verify that the offending sensor 1s installed and connected to the wiring harness With the ECU keyed on use the hand held to look for a valid reading from the offending sensor For IAC watch for a changing reading with the engine idling Verify that the wiring harness itself is not damaged Visually inspect the wiring harness from the sensor back to the ECU looking for cut pinched abraded or melted sections Using a multi meter check continuity from the sensor connector back to the ECU Also make sure no pins in a particular sensor connector are shorted to each other For the wideband oxygen sensor also check to see if the sensor tip gets hot check carefully with the ECU keyed on If no other problems can be found try replacing the sensor Troubleshooting Battery Voltage Fault 1 2 3 Verify that the battery and charging system
79. pidly it is likely that a safety built into the ECU has shut the pump down in response to higher than expected greater than 75 psi fuel pressure The fuel pump is disabled in the event that a return style fuel system which runs the pump wide open was selected in the hand held when there is no mechanical fuel pressure regulator and return line actually installed in the vehicle This prevents the pump from straining against a closed system and building excess pressure FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 If this happens and the vehicle really is using a return style fuel system 1 Turn the ignition switch off and wait for all of the LEDs on the ECU to turn off 2 Back the adjustment screw on the regulator all the way out to lower the fuel pressure 3 Turn the ignition switch back on and go back through the Setup Wizard 4 f the condition persists see the On Board Diagnostics section for more detail on the Fuel Pressure Control error code If the vehicle is really using a returnless style fuel system 1 Turn the ignition switch off and wait for all of the LEDs on the ECU to turn off 2 Disconnect the fuel pump relay harness from the main wiring harness 3 Turn the ignition switch back on and wait for the hand held to power up and display the home screen 4 Reconnect the fuel pump relay harness 5 Go back through the Setup Wiz
80. r example enter 92 for a 9 2 air fuel ratio The ECU Is constantly working to keep the air fuel ratio at the current target air fuel ratio It is preloaded with typical targets This is where those targets can be adjusted if desired Keep in mind that a higher number means a leaner air fuel ratio less fuel And a lower number means a richer air fuel ratio more fuel Different operating conditions require different air fuel ratios The EZ EFI system distills these different requirements down to three simple settings Any of them can be adjusted while the engine is running so different settings can be evaluated e Idle AF This is the target when the engine is idling This can have a pronounced effect on idle quality It is worth experimenting with to see what your engine likes If you notice the engine struggle or if RPM dips considerably with load changes at idle going into gear or turning steering wheel to full lock for example it may prefer a richer Idle Air Fuel target e Cruise AF Once the engine is above idle it will switch to using this target The engine will spend the vast majority of its time in this area This setting has the largest effect on your fuel mileage A leaner target higher number will use less fuel Because these settings are so simple to adjust you may consider changing them for special situations If you are going on a long relaxed highway run you can temporarily set this a little bit le
81. r the ECU So the hand held will power on and off with the ignition switch The mini USB port on the top of the hand held 1s used to connect the hand held to a computer in the event that a hand held update becomes available Please do not attempt to operate the hand held while driving For safety have a passenger monitor live data or adjust settings as needed if the vehicle is moving The hand held is compatible with mounting brackets that fit a Garmin Nuvi 245517 GPS unit A suction cup mount for the hand held is included in the kit The hand held has a touch screen calibration procedure that can be accessed by pressing and continuing to hold anywhere on the screen as the handheld is powered After about 4 seconds the calibration screen will appear and walk you through the short calibration process The purpose of this calibration 1s to sync up the touch sensitive screen with the graphics on the FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 display The result is that where you see a button on the screen is also where you need to touch to select it This calibration is performed at the factory It is unlikely that it will ever need to be repeated Performing touch screen calibration Touch screen to continue Home Screen Setup Wizard The Setup Wizard is a guided configuration process used for initial setup This can also be
82. r the vacuum system The EZ EFI throttle body provides two 3 8 and one 1 8 manifold vacuum ports and one 1 8 ported vacuum port Ported vacuum ports do not provide a vacuum signal at idle If the carburetor being removed from your vehicle utilized more than this number of ports you may require a barbed T fitting of the appropriate size to multiply the number of ports available on the EZ throttle body If you will be running a return style fuel system explained in the Fuel System Types section below be aware that the fuel pressure regulator will require an 1 8 vacuum port Carburetor flange adapter intake manifold The EZ EFI throttle body is designed to bolt onto manifolds with a four barrel square bore carburetor flange such as is utilized by a 4150 style carburetor If your manifold is set up for any other style carburetor realize that you will either need a carburetor adapter or a new manifold FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Holley style cable mount spring return kit Check to see if the throttle transmission cable mount system and also the throttle return spring system that you are currently using will work with your new throttle body The EZ EFI throttle body is designed to work with Holley style cable mount systems but may work with others as well Keep in mind that even though the throttle shafts on yo
83. ressure worn plugs or plug wires etc will affect this signal In most applications the RPM Module will be able to deal with these challenges and feed a clean RPM signal to the ECU But the old saying garbage in garbage out applies here If the inductive ignition system is just too noisy or inconsistent it may need to be abandoned in favor of an aftermarket ignition box RPM Module Installation Notes e HEI distributors and possibly others have a terminal labeled TACH However that is not a clean digital tach signal like an aftermarket ignition box would supply Instead it 1s simply another terminal connected to the negative side of the coil Do NOT connect the RPM FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 INPUT wire in the EZ EFI wiring harness directly to that terminal The ECU will be damaged In a case like that the RPM Module is required since what you are really doing 15 connecting to the negative side of a dwell controlled coil Do NOT bypass the RPM Module and connect the RPM INPUT wire in the EZ EFI wiring harness directly to the negative side of the coil It may actually start up and run that way But the ECU will be damaged and system performance will degrade Do NOT connect anything from the EZ EFI system to the coil RPM Module or RPM INPUT wire when using an aftermarket ignition box
84. ributor on the Ignition Type screen FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 C MSD Crank Trigger Roll the engine over to TDC on 1 compression stroke Install the trigger wheel and sensor bracket so that the sensor is lined up with one of the magnets in the trigger wheel A wiring adapter will be needed to connect this to the CRANK TRIGGER connector in the harness Matching up the wire colors correctly is important for stable consistent timing If they are backwards the engine will still run but ignition timing will likely be less stable and actual timing may drift with RPM away from the commanded value CRANK TRIGGER FAST MSD CRANK TRIGGER CONNECTOR PIN WIRE COLOR WIRE COLOR Black Violet 2 fed Gem _ In the Setup Wizard select FAST Crank Trigger 2 Wire on the Ignition Type screen Rotor Phasing When using a crank trigger the distributor s orientation in the engine Is not critical to the ECU However it is still important to phase the rotor to the cap This will ensure that the rotor is in the correct position throughout the timing sweep in order to fire to the correct cylinder terminal If the rotor 1s not properly phased during operation the rotor tip can sweep too far away from the correct terminal causing a weak spark or misfire and a lot of electrical noise 1 Roll the motor over to 3
85. ropriately vented for proper operation FASTTM Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 In Tank Fuel Pump Wiring Wiring needs to be passed into the tank to power the pump A sealed bulkhead fitting and other wiring components are supplied for this purpose Some of the final assembly is left for the user to complete to custom fit the installation to their vehicle IN TANK FUEL PUMP KIT WIRING COMPONENTS Connect to FUEL PUMP HARNESS connector on EZ EFI main harness JAILED Wi External wiring disconnect point d segling ring Ring terminal to ground Electrical Bulkhead Fitting Notes e The electrical fitting uses the single nylon washer with the larger inside diameter compared to washers used with the fuel line fittings e Drill an 11 16 hole Feed the fitting through the plastic washer and through the hole in the tank Secure the fitting with the plastic lock nut Tighten it to approximately 33 1 165 e The fitting has holes for passing two wires into the tank Once the wires are passed through the fitting the dome nut on top is tightened to compress the seal and make a liquid tight seal around the wires Tighten it to approximately 22 1 165 FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Wiring Assembly
86. setting allows you to easily try different idle speeds to see what works best for yours Keep in mind that this is setting the idle speed for a fully warmed up engine If the engine is cold the ECU will try to maintain a slightly higher idle than called for here If you return to this setting from the Advanced menu and make large changes you may want to use the AC Calibration option also accessed through the Advanced menu This will help you adjust the resting position of the throttle blades so that the idle motor is operating in the preferred range Keep in mind that once the idle motor is in its fully closed position the Live Dashes show IAC at 5 1 cannot bring the idle speed down any further no matter what setting 1s entered here If this happens you will need to adjust the idle screw on the throttle body to close the blades more Again you ll want to use IAC Calibration option afterwards The other extreme 15 if the Live Dashes show IAC at 180 At that point the idle motor is fully open and is unable to let any more air into the engine to raise the idle speed If for some reason an is not being used in a custom application the Idle RPM setting is still important Besides serving as a target for the IAC and idle timing trim if applicable to maintain this setting also helps ECU determine when the engine is idling an application without an IAC set Idle RPM to match the engine s actual idle speed FAST Toll
87. stem Engine speed is one of the fundamental elements of its fueling calculations When not controlling ignition timing it relies on the vehicle s existing ignition system for a steady reliable RPM signal An inconsistent or noisy RPM signal can appear to the ECU as erratic engine speed Spikes dropouts and general instability of the RPM signal fed into the ECU can have an adverse effect on the running of the engine It can also interfere with proper learning or prevent learning altogether There are two basic options for supplying the EZ EFI ECU with an RPM input when relying on the vehicle s existing ignition system 1 Aftermarket capacitive discharge CD ignition An aftermarket capacitive discharge CD ignition box is recommended This form of ignition is beneficial to just about any application Having a known good strong spark prevents a host of potential running Issues This type of ignition is also well suited for use with EZ EFI because it typically has a Tach output which is a clean digital signal This is the preferred RPM source for the EZ EFI system when it is not controlling timing Other aftermarket ignition products besides ignition boxes may also supply a clean digital tach signal For example an aftermarket HEI module with a dedicated tach output not to be confused with the TACH terminal in the cap of a standard HEI distributor can be a good RPM source for the EZ EFI system If using one of these igniti
88. sweep smoothly from a lower value to a higher value as the throttle is opened The ECU uses this value to determine TPS Degrees of ignition timing added based on manifold vacuum if enabled This makes part of the final timing value the engine sees u Base Timing Idle Adv Vacuum Adv Total Timing Timing related data is only valid when EZ EFI is controlling timing FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Diagnostics lt Diagnostics Codes EFI Yoltage e TPS Voltage Fuel Pressure Sensor E Fuel Pressure Control E Inj Duty Limit When an error code is set the blue CRANK DIAG LED on ECU will flash rapidly and the Error LED displayed on the hand held s Live Dashes will turn on If that happens use this screen to find out which code has been set Codes can also be cleared here See the On Board Diagnostics section for more detail on error codes Master Dash Brings up the Master Dash for a quick overview of all available sensor readings See the Live Data section for more detail FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Tech Support Provides a list of resources for getting answers to your questions lt System Info IRM Counts ECU Firmware
89. th the coolant temperature sensor the ECU s electric fan control outputs will be switched on to guard against over heating If the ECU detects a problem with a sensor it will switch to using pre programmed default values in the affected part of the fueling calculations This puts the ECU into limp mode If there is a problem with any of the sensors the engine will still have a chance to run so the vehicle will not be stranded The exception is the RPM signal Without an engine speed input the engine will not run Depending FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 on circumstances and which sensor has failed the change in the engine s behavior may be very obvious it may be hardly noticeable If you notice any change in how the engine 15 running it s a good idea to check the blue CRANK DIAG LED on the ECU it will flash rapidly or the Error LED displayed on the hand held s Live Dashes These both signal that an error code has been set You can also go directly to the Codes section of the hand held Even if the engine 1s running well an error code will prevent further learning Also the problem that caused the error code to be set may have a larger effect later under different conditions Keep in mind that error codes are cleared when the ECU is reset key off for approximately 5 10 seconds So if you suspect a problem it 15
90. tion Output In all of these cases the brown POINTS OUTPUT wire in the harness will connect to a CD ignition box s points input This 1s how the ECU tells the ignition when to fire the coil Coil Per Cylinder Engine WITH Timing Control Modern coil per cylinder engines have complex crank and cam trigger wheels FAST M EZ LS and FAST XIM ignition systems read In and decode the factory crank and cam signals to give the EZ EFI engine speed and position The FAST EZ LS and FAST XIM ignition systems also drive the coils These ignition systems are connected to the EZ EFI through the DISTRIBUTOR and CAN LINK connections in the harness There is also a DISTRIBUTOR POWER wire in the harness that can be used to feed 12V switched power to the FAST EZ LSTM or FAST XIM ignition harness The mating male terminal is supplied loose in the kit It can be installed on the 12V SW wire on the ignition harness to complete this connection In the Setup Wizard select EZ LS XIM on the Ignition Type screen If using FAST EZ LS XIM DISTRIBUTOR FAST EZ LS XIM Harness Connections POINTS OUTPUT n c CAN LINK FAST EZ LS XIM n c no connection FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 RPM Module A EZ EFI is an advanced fuel injection sy
91. to 180 Generally this will be around 20 idling out of gear with a fully warmed up engine FASTTM Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 Degrees of ignition timing added subtracted by the ECU if enabled to influence Idle Adv idle speed This makes up one part of the final timing value the engine sees Base Timing Idle Adv Vacuum Adv Total Timing Timing related data is only valid when EZ EFI is controlling timing Injector duty cycle This is a comparison of how long the injectors are open compared Inj DC to how much total time is available for them to be open At higher RPM there is less time between injector openings If this reaches 10096 it means the injectors physically cannot flow any more fuel They are already being held wide open Current total fuel flow rate into the engine Given in pounds per hour This can be Lb Hr used to get a rough approximation of current engine power Horsepower Fuel Flow Ibs hr x 2 Calculated Load A comparison of the current manifold pressure vs the ambient atmospheric pressure Unlike the reading from the MAP sensor which is affected by Load U altitude Load should always be consistent That is wide open throttle should always be around 100 regardless of altitude and ambient atmospheric pressure Manifold Absolute Pressure This is a measure of the load on the engine It
92. ur new throttle body feature return springs a stronger extension style throttle return springs 1s also required If you need a new system consider the FAST 304147 kit It is designed specifically for this application If your vehicle has a 700R4 transmission you will also need a cable corrector kit such as TCI PN 376715 This kit is included with the FAST 304147 kit Ignition system In order for your EZ EFI to control ignition timing optional on a traditional single coil distributor equipped engine it must have a crank reference signal at TDC from either a crank trigger or a locked out distributor with an integrated pickup The EZ EFI system and wiring harness are set up to be plug and play with our FAST Crank Trigger kits or Dual Sync Distributors A capacitive discharge CD style ignition box is also required for the EZ EFI to control timing The CD ignition box will receive the ECU s ignition output signal and fire the coil No special requirements are necessary if the EZ EFI will not be controlling timing However even in this case a CD ignition or other form of aftermarket ignition product that provides a clean digital tach output signal 1s still recommended for best results For a coil per cylinder engine a FAST EZ LS or FAST XIM ignition system is required It will supply the EZ EFlo with an RPM signal and also drive the coils The EZ EFI will have timing control in this scenario Spark plugs
93. vised 7 15 13 Phone 901 260 3278 wideband oxygen sensor provides very accurate feedback to the ECU so it knows if more or less fuel 1s needed to achieve the desired air fuel ratio Adjusting the fueling based on feedback from an oxygen sensor is commonly referred to as closed loop fuel control Closed loop fuel control 15 a very powerful feature It constantly makes fueling adjustments to compensate for different engine conditions It is at its best when operating with well tuned base fuel tables Developing good base fuel tables requires significant time and experience Closed loop fuel control can help compensate for less than perfect base fuel tables However there are limits to what it can do It is not a substitute for proper tuning The more work closed loop has to do the less efficiently it can keep the actual air fuel ratio close to the target ratio The Adaptive Learning feature of the EZ EFI system goes beyond normal closed loop fuel control Besides using the oxygen sensor feedback to adjust instantaneous fueling it also uses it to adjust the underlying base fuel table so that over time it tunes itself Closed loop fuel control is happily left with only fine adjustments to make The theory of the Adaptive Learning feature 1s pretty straight forward Actually implementing it 1s rather complicated But all of that work is built into the ECU already All that is left to do is drive Operational Notes The EZ EFI syst
94. ww fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 43 58 New flow 56 lb hr New flow 65 x e Fuel Pressure PSI Enter the fuel pressure you will be using If a returnless fuel system 15 being used the ECU will control the fuel pump to maintain the pressure entered here If a return style fuel system 1s being used this should be set to match the pressure the mechanical fuel pressure regulator will be set to 43 psi is the recommended pressure for EZ EFI throttle bodies and for Inglese Side Draft systems 60 psi is the recommended pressure for Inglese Down Draft 8 stack systems For EZ EFI throttle bodies and all Inglese kits the settings on this screen will be pre set to the appropriate values by the Setup Wizard This screen will be skipped in the Setup Wizard for those applications It should not need to be revisited later through the Advanced menu If these settings are being changed after the initial setup because a different throttle body intake setup is being used the Setup Wizard must be re run to configure the ECU properly for the new parts These and other settings will be affected TPS Calibration TPS Calibration WARNING WOT calibration should only be performed with the engine NOT running the throttle then press the calibrate button the throttle then press the calibrate button 0 0 6 TPS Volts p 0 3 6 TPS Volts The throttle position sensor TPS
95. x Adjust idle screw until slider is in the red target box The slider will turn green when correct The slider will turn green when correct Adjust the idle screw on the throttle body until the indicator in the slider is in the red target box This is adjusting the resting position of the throttle blades so that the idle motor an electronically controlled stepper motor that allows air to bypass the throttle blades 1s operating in the preferred position This ensures that the idle motor has enough range of motion to help bring the idle speed up or down as needed TURNING IDLE SCREW THROTTLE BLADES IAC INDICATOR IN SLIDER Counter clockwise Moves to the right FAST Toll Free 1 877 334 8355 3400 Democrat Rd FAST4 200 www fuelairspark com Memphis TN 38118 Revised 7 15 13 Phone 901 260 3278 NOTE FOR 500C I D or LARGER ENGINES The idle motor s entire range of movement is from 5 to 180 counts Higher counts mean the idle motor is open more and allowing more air to bypass the throttle blades Adjusting the throttle blade so that the bar 1s roughly centered on the target will put the idle motor at approximately 20 counts This setting will work well for most engines For larger engines the throttle blades may need to be adjusted differently If the engine struggles or stalls when the gas pedal is released the throttle blades may need to be opened up slightly That means shooting for the indicator to be shaded
96. y as the vehicle is driven No special procedures need to be followed Just drive normally However it 1s possible to help speed up the learning process on a fresh installation A good method is to open the throttle a small amount and hold the pedal steady Let the vehicle accelerate up through the gears Hold the pedal steady as long as reasonably possible Slow down and repeat the process several times using larger throttle openings each time It is NOT required that you go through this process with every throttle position Don t do anything to risk your safety or that of other motorists While the ECU 15 still going through the initial learning process you may discover driving conditions where the engine is not perfectly happy This 1s a natural part of the learning process Unless the engine is really unhappy don t try to avoid those conditions Instead gently return there and allow the ECU to learn what the engine wants It should soon feel much better Changes made to the tune in the ECU through learning or hand held adjustments are held in short term memory within the ECU until the next key off At that time the changes are saved into long term memory The BATTERY POS and BATTERY NEG wires must be connected directly to the battery If all power 12 SWITCHED and BATTERY POS is cut to the ECU at one time any new learning will be lost Once a proper power down sequence has occurred when the ECU s POWER LED has gone out approx

Please Click here to the Instructions PDF File

Contents

Download Pdf Manuals

Related Search

Related Contents