Home

TROUBLESHOOTING

1. EG1 200 3S GTEENGINE TURBOCHARGER SYSTEM TROUBLESHOOTING HINT Before troubleshooting the turbocharger first check the engine itself Valve clearance engine compression ignition timing etc INSUFFICIENT ACCELERATION LACK OF POWER OR EXCESSIVE FUEL CONSUMPTION Possible Cause Check Procedure and Correction Method 1 TURBOCHARGING PRESSURE TOO LOW Check turbocharging pressure See page EG1 202 Turbocharging pressure 49 81 kPa 0 50 0 83 kgf cm 7 1 11 8 psi If the pressure is below specifications begin diag nosis from item 2 2 RESTRICTED INTAKE SYSTEM Check intake air system and repair or replace parts as necessary See page EG1 202 3 LEAK IN INTAKE AIR SYSTEM Check intake air system and repair or replace parts as necessary See page EG1 202 4 RESTRICTED EXHAUST SYSTEM Check exhaust system and repair or replace parts as necessary See page EG1 202 5 LEAK IN EXHAUST SYSTEM Check exhaust system and repair or replace parts as necessary See page EG1 202 6 ERRATIC TURBOCHARGER Check rotation of impeller wheel If it does not OPERATION turn or turns with a heavy drag replace the turbocharger assembly Check axial and radial plays of impeller wheel See page EG1 215 Axial play 0 13 mm 0 0051 in or less Radial play 0 18 mm 0 0071 in or less If not within specification replace the turbocharger assembly EG1 201 3S GTEENGINE TURB
2. OCHARGER SYSTEM ABNORMAL NOISE Possible Cause Check Procedure and Correction Method 1 TURBOCHARGING HEAT INSULATOR Check for loose improperly installed or deformed RESONANCE insulator mount bolts and repair or replace as 2 EXHAUST PIPE LEAKING OR Check for deformed exhaust pipe loose mount VIBRATING bolts or damaged gasket and repair or replace as 3 ERRATIC TURBOCHARGER Refer to Item 6 of INSUFFICIENT ACCELERATION OPERATION LACK OF POWER OR EXCESSIVE FUEL EXCESSIVE OIL CONSUMPTION OR WHITE EXHAUST Possible Cause Check Procedure and Correction Method Check for oil leakage in exhaust system e Remove the turbine elbow from the turbocharger and check for excessive carbon deposits on the turbine wheel Excessive carbon deposits indicate a faulty turbocharger FAULTY TURBOCHARGER SEAL Check for oil leakage in intake air system e Check for axial and radial plays in impeller wheel and replace the turbocharger if necessary See page EG1 215 Axial play 0 13 mm 0 0051 in or less Radial play 0 18 mm 0 0071 in or less NOTICE Some oil mist in the blowby from the PCV is normal Do not mistake it for an oil leak from the

TROUBLESHOOTING

Contents

Download Pdf Manuals

Related Search

Related Contents