Possible Causes
WARNING: This page is about a different variant/trim than selected.
| Possible Causes |
|---|
| ENGINE MISFIRE |
| EXCESSIVE FUEL OR OIL INTRODUCED INTO THE EXHAUST SYSTEM |
| FAULTY DEF INJECTOR |
| DIESEL EXHAUST FLUID CRYSTALLIZATION OR DEPOSITS |
| NOx SENSOR 1/2 DRIFTED OUT OF RANGE |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .