Possible Causes
WARNING: This page is about a different car, the 2015 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| EXCESSIVE FUEL ENTERING THE AFTERTREATMENT/EXHAUST SYSTEM |
| MASS AIR FLOW SENSOR |
| ENGINE MISFIRE |
| FUEL DELIVERY SYSTEM FAILURE |
| INTAKE AIR SYSTEM LEAK |
| EXHAUST SYSTEM LEAK |
| EGR SYSTEM LEAK |
| O2 SENSOR 1/2 |
| O2 SENSOR MODULE |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .