Possible Causes
WARNING: This page is about a different variant/trim than selected.
| Possible Causes |
|---|
| AIR FILTER |
| INTAKE SYSTEM AIR LEAKS OR RESTRICTIONS |
| EGR AIR FLOW CONTROL VALVE |
| EGR SYSTEM LEAKS |
| EGR COOLER AND TUBES RESTRICTED |
| EGR VALVE |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .