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P1391 Diagnostic Trouble Code Discussion for June 2008

CKP Or CMP Sensor Signal Intermittent


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Trouble Ticket Help Requests for DTC P1391
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
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