ENGINE CRANKS BUT WILL NOT START
For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS .
| Possible Causes |
|---|
| INTAKE SYSTEM RESTRICTION |
| ECM CODES PRESENT |
| ECT SENSOR |
| ENGINE CONTROL MODULE |
| ENGINE DRIVE CHAIN/BELT |
| FUEL SUPPLY CONTAMINATION |
| SUPPLY SIDE FUEL SYSTEM PRESSURE |
| FUEL SYSTEM RESTRICTION |
| GLOW PLUGS |
| SKREEM CODES PRESENT |
LACK OF ENGINE POWER
For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS .
| Possible Causes |
|---|
| AIR IN FUEL SYSTEM |
| INJECTOR QUANTITY ADJUSTMENT |
| BRAKE SWITCH PROBLEM |
| EGR SYSTEM PROBLEM |
| BOOST PRESSURE PROBLEM |
| LOW ENGINE COMPRESSION |
| FUEL DELIVERY SYSTEM RESTRICTION |
| ENGINE DRIVE BELT/CHAIN |
| FUEL INJECTOR(S) |
| FUEL INJECTION PUMP |
| FUEL SYSTEM CONTAMINATION |
| FUEL SYSTEM LEAK |
| TURBOCHARGER |
CHECKING THE BOOST PRESSURE SYSTEM
For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS .
| Possible Causes |
|---|
| TURBOCHARGER ASSEMBLY |
| BOOST PRESSURE ACTUATOR SUPPLY HOSE |
| BOOST PRESSURE ACTUATOR |
| INTAKE OR EXHAUST SYSTEM PROBLEM |
CHECKING THE EGR SYSTEM
For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS .
| Possible Causes |
|---|
| VACUUM HOSES/TUBES |
| VACUUM SUPPLY SYSTEM |
| EGR VALVE |
| VALVE BLOCK ASSEMBLY |
CHECKING THE ENGINE MECHANICAL SYSTEMS
For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS .
| Possible Causes |
|---|
| CHECKING ENGINE MECHANICAL SYSTEMS |
CHECKING THE FUEL DELIVERY SYSTEM
For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS .