Possible Causes
| Possible Causes |
|---|
| (K34) EGR SIGNAL CIRCUIT HIGH RESISTANCE |
| (K857) 5 VOLT SUPPLY CIRCUIT HIGH RESISTANCE |
| (K35) EGR CONTROL CIRCUIT HIGH RESISTANCE |
| (K900) SENSOR GROUND CIRCUIT OPEN |
| (Z904) EGR SOLENOID GROUND CIRCUIT OPEN |
| EGR SOLENOID ASSEMBLY |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.