Possible Causes
WARNING: This page is about a different car, the 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| INTAKE OR EXHAUST SYSTEM LEAKING OR RESTRICTED |
| (F344) SMART POWER RELAY OUTPUT CIRCUIT OPEN |
| (F344) SMART POWER RELAY OUTPUT CIRCUIT SHORTED TO THE (K916) RETURN CIRCUIT |
| (K157) MAF SENSOR SIGNAL CIRCUIT OPEN |
| (K157) MAF SENSOR SIGNAL CIRCUIT SHORTED TO THE (K916) RETURN CIRCUIT |
| (K157) MAF SENSOR SIGNAL CIRCUIT SHORTED TO GROUND |
| MASS AIR FLOW (MAF) SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE - 6.7L .