Possible Causes
| Possible Causes |
|---|
| EGR VALVE POSITION SENSOR SIGNAL CIRCUIT SHORTED TO GROUND |
| EGR VALVE POSITION SENSOR SIGNAL CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT |
| EXHAUST GAS RECIRCULATION (EGR) VALVE ASSEMBLY |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .