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P1391 Diagnostic Trouble Code Discussion for April 2012

CKP Or CMP Sensor Signal Intermittent


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Trouble Ticket Help Requests for DTC P1391
Help Request Posted
1996 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1J4FX58S9T
P1391: CKP Or CMP Sensor Signal Intermittent. Vehicle was purchased new. Relatively trouble free. Transmission rebuilt over 1 year ago. Dealer installed heater core last summer.There was never a check engine light. Problems: Engine would shut off while driving and come back on. Eventually shut off and wo...
April 26, 2012
1996 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1J4FX58S9T
P1391: CKP Or CMP Sensor Signal Intermittent. Vehicle was purchased new. Relatively trouble free. Transmission rebuilt over 1 year ago. Dealer installed heater core last summer.There was never a check engine light. Problems: Engine would shut off while driving and come back on. Eventually shut off and wo...
April 26, 2012