Possible Causes
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| 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 STANDARD PROCEDURE .