Possible Causes
- Intermittent Condition
- EGR Valve Open At Idle
- EGR Valve Assembly
- EGR Solenoid Assembly
- EGR Solenoid Ground Circuit Open
- EGR Solenoid Control Circuit Short To Ground
- EGR Solenoid Control Circuit Shorted To Voltage
- EGR Solenoid Control Circuit Open
- PCM