Possible Causes
WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| CURRENT PCM DTCS |
| CURRENT VEHICLE SECURITY MODULE DTCS |
| RESTRICTED EXHAUST |
| ENGINE MECHANICAL |
| VACUUM LEAKS |
| CRACKED SPARK PLUG(S), CARBON TRACKING SPARK PLUG AND COIL |
| CARBON BUILDUP ON THROTTLE BODY |
| FUEL CONTAMINATION |
| FUEL DELIVERY |
| VALVE TIME OUT OF SPECIFICATION |
| 5-VOLT SUPPLY CIRCUIT |
| SENSOR GROUND CIRCUIT |
| CMP SIGNAL CIRCUIT |
| CAMSHAFT POSITION SENSOR (CMP) |
| CKP SIGNAL CIRCUIT |
| CRANKSHAFT POSITION SENSOR (CKP) |
| FLEX PLATE (TARGET WHEEL) |
| CMP AIRGAP |
| CKP AIRGAP |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to 5.7L - PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE - PCM or 5.7L CNG - PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE - PCM or 6.4L - PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE - PCM .