Possible Causes
- GOOD TRIP EQUAL TO ZERO
- EGR SOLENOID ASSEMBLY
- EGR SOLENOID GROUND CIRCUIT OPEN
- EGR SOLENOID CONTROL CIRCUIT SHORTED TO VOLTAGE
- EGR SOLENOID CONTROL CIRCUIT SHORT TO GND
- EGR SOLENOID CONTROL CIRCUIT SHORTED TO SENSOR GROUND CIRCUIT
- EGR SOLENOID CONTROL CIRCUIT OPEN
- PCM