Possible Causes
| Possible Causes |
|---|
| HIGH RESISTANCE IN THE EGR TEMPERATURE SENSOR SIGNAL CIRCUIT |
| HIGH RESISTANCE IN THE SENSOR GROUND CIRCUIT |
| ENGINE RUNNING TOO RICH |
| ENGINE TEMPERATURE TOO LOW |
| EGR TEMPERATURE SENSOR |
| POWERTRAIN CONTROL MODULE |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .