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P1391 Diagnostic Trouble Code Discussion for August 2012

CKP Or CMP Sensor Signal Intermittent


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Trouble Ticket Help Requests for DTC P1391
Help Request Posted
1997 Dodge Dakota 3.9L MIL Lamp on VIN: 1B7GG23X2V
P1391: CKP Or CMP Sensor Signal Intermittent. ... you have run into something similar to this. The only symptoms are the check engine light comes on and flags the P1391 every time with in 5 mins of running in the bay. Watching the scan data, it looses communication about every minute and comes back every ...
August 06, 2012
2000 Jeep Cherokee Sport 4.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire VIN: 1J4FF48S0Y
P1391: CKP Or CMP Sensor Signal Intermittent. This came from another shop that couldn't fix it. Runs bad. We have replaced the coil pack twice, crank and cam sensors once. We have synced the timing, replaced the ASD relay, replaced the oxygen sensors and finally the computer and has it programed for this ...
August 21, 2012
2000 Jeep Cherokee Sport 4.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire VIN: 1J4FF48S0Y
P1391: CKP Or CMP Sensor Signal Intermittent. This came from another shop that couldn't fix it. Runs bad. We have replaced the coil pack twice, crank and cam sensors once. We have synced the timing, replaced the ASD relay, replaced the oxygen sensors and finally the computer and has it programed for this ...
August 22, 2012
1997 Dodge Dakota 3.9L MIL Lamp on VIN: 1B7GG23X2V
P1391: CKP Or CMP Sensor Signal Intermittent. ... you have run into something similar to this. The only symptoms are the check engine light comes on and flags the P1391 every time with in 5 mins of running in the bay. Watching the scan data, it looses communication about every minute and comes back every ...
August 06, 2012
2000 Jeep Cherokee Sport 4.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire VIN: 1J4FF48S0Y
P1391: CKP Or CMP Sensor Signal Intermittent. This came from another shop that couldn't fix it. Runs bad. We have replaced the coil pack twice, crank and cam sensors once. We have synced the timing, replaced the ASD relay, replaced the oxygen sensors and finally the computer and has it programed for this ...
August 21, 2012
2000 Jeep Cherokee Sport 4.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire VIN: 1J4FF48S0Y
P1391: CKP Or CMP Sensor Signal Intermittent. This came from another shop that couldn't fix it. Runs bad. We have replaced the coil pack twice, crank and cam sensors once. We have synced the timing, replaced the ASD relay, replaced the oxygen sensors and finally the computer and has it programed for this ...
August 22, 2012