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P1391 Diagnostic Trouble Code Discussion for August 2007

CKP Or CMP Sensor Signal Intermittent

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Trouble Ticket Help Requests for DTC P1391
Help Request Posted
2001 Jeep Grand Cherokee Limited 4.7L MIL Lamp on VIN: 1J4GW58NX1
P1391: CKP Or CMP Sensor Signal Intermittent. ... engine we now have a code P1391 that we can not get rid of. It has no drivability problems. We have checked everything. Tried a Napa cam sensor and it will not run on it. tried a cam sensor from another vehicle with the same code coming back right away. Ve...
August 09, 2007
2003 Dodge Grand Caravan 3.3L Stall, Misfire VIN: 2N4GP34363
P1391: CKP Or CMP Sensor Signal Intermittent. ive tryed to simulate and nothin happened checked vaccums to find a couple cracked but didnt see any holes.put new hose on ,did notice air filter box wasnt closed right not sure if husband messed with like hes knowed for.and i uassly fix his mess ups,but enoug...
August 14, 2007
1997 Dodge Neon High Line 2.0L Misfire, MIL Lamp on VIN: 3B3ES47C4V
P1391: CKP Or CMP Sensor Signal Intermittent. ... drop out of cam or crank or both, grounds and powers seem o.k. replaced listed parts. because of oil seepage, the odd time it will run good, most of the time it runs bad, and once in a while it will flag the p1391 code, I'm leaning towards a wirng harness ...
August 20, 2007
1997 Chrysler Sebring JXi 2.5L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 3C3EL55H7V
P1391: intermittent cam/crank signal. Hi all, this car came to me after someone unknown to the customer was at it. On our scanner I'm getting a intermittent lost sync signal.I do not have access to a scope so I cannot check sensor signals for integrity.I have had the PCM tested by Blue Streak and ...
August 23, 2007