Possible Causes
| Possible Causes |
|---|
| RESTRICTED FUEL SUPPLY LINE |
| FUEL PUMP INLET STRAINER PLUGGED |
| FUEL PUMP MODULE |
| O2 SENSOR WIRING OPEN OR SHORTED |
| OXYGEN (O2) SENSOR |
| MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR |
| ENGINE COOLANT TEMPERATURE SENSOR |
| ENGINE MECHANICAL |
| FUEL FILTER/PRESSURE REGULATOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .