Possible Causes
| Possible Causes |
|---|
| EXCESSIVE RESISTANCE IN THE (K34) EGR SENSOR SIGNAL CIRCUIT |
| EXCESSIVE RESISTANCE IN THE (F856) 5 VOLT SUPPLY CIRCUIT |
| EXCESSIVE RESISTANCE IN THE (K35) EGR SOLENOID CONTROL CIRCUIT |
| (K900) SENSOR GROUND CIRCUIT OPEN |
| (Z906) EGR SOLENOID GROUND CIRCUIT OPEN |
| EGR SOLENOID ASSEMBLY |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.