
P1391 Diagnostic Trouble Code Discussion for June 2008
CKP Or CMP Sensor Signal Intermittent
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Help Request | Posted | |
1996 Plymouth Voyager 2.4L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 2P4FP25B1T P1391: CKP Or CMP Sensor Signal Intermittent. after engine gets hot it develops severe engine miss. Lab scope shows ignition circuit #2 not peaking & voltage not dropping out. Voltage stays high due to no ground from PCM. OE replacement PCM no longer available. Had original PCM remanufactured. Still h... |
June 10, 2008 |