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P1391 Diagnostic Trouble Code Discussion for January 2008

CKP Or CMP Sensor Signal Intermittent

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Trouble Ticket Help Requests for DTC P1391
Help Request Posted
1998 Dodge Dakota 3.9L MIL Lamp on VIN: 1B7GL22X6W
P1391: CKP Or CMP Sensor Signal Intermittent. ... and code p1391 intermittent loss of CMP or CKP. performed a pinpoint test as outlined in alldata and the cam sensor and crank sensor both test okay up to the pcm connector. also checked the wave pattern and frequency of both sensors as outlined on our Modi...
January 03, 2008
2000 Dodge Ram 1500 Laramie 5.9L Poor Idle Quality, Cuts out, Stall VIN: 2B7HC12Z0Y
P1391: intermittent loss of cmp or ckp. ... misfire and found a bad exhaust seat.The engine was replaced because of the miles.Now this truck runs awfull when in reverse but any other gear it runs well most of the time although it will miss hard sometimes while driving down the road.I have diconnecte...
January 10, 2008
2000 Dodge Grand Caravan SE 3.3L Stall VIN: 1B4GP44G4Y
P1391: CKP Or CMP Sensor Signal Intermittent. Need help please we have tested both sensors at lest three times replaced pcm. tested wires. checked for voltage drop on power and ground. load tested all three wires power, grond, and sensor retrun. checked flax plate and checked ring on cam, all looks good. ...
January 15, 2008
1996 Plymouth Grand Voyager SE 3.3L Poor Idle Quality, Stall, MIL Lamp on VIN: 2P4GP44R5T
P1391: CKP Or CMP Sensor Signal Intermittent. ... this one. Been on it for over day and half. The van came in running real rough with hesitation when accelerating, scanned for codes Code P300B...Random misfire Code P301B...Cylinder 1 misfire Code P340... Forget(Some camshaft code) Code P1391...mnf contr...
January 21, 2008