Possible Causes
| Possible Causes |
|---|
| EGR VALVE STUCK OPEN |
| EGR SYSTEM LEAK |
| EGR VALVE ASSEMBLY |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
| Possible Causes |
|---|
| EGR VALVE STUCK OPEN |
| EGR SYSTEM LEAK |
| EGR VALVE ASSEMBLY |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .