Possible Causes
WARNING: This page is about a different car, the 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| CNG FUEL LEAK |
| CNG PRESSURE REGULATOR INLET SCREEN PLUGGED OR RESTRICTED |
| HIGH RESISTANCE IN THE CNG RAIL PRESSURE SENSOR CIRCUITS |
| CNG RAIL SENSOR |
| CNG PRESSURE REGULATOR SOLENOID |
| CNG PRESSURE REGULATOR |
| POWERTRAIN CONTROL MODULE |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .