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 |
| INTAKE HEATER SYSTEM NOT OPERATING PROPERLY |
| FAULTY THERMOSTAT |
| FUEL HEATER NOT OPERATING PROPERLY |
| COOLANT LEAKING INTO THE COMBUSTION CHAMBER |
| IMPROPER OR CONTAMINATED DIESEL FUEL |
| FAULTY FUEL SYSTEM / FUEL INJECTOR |