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P1391 Diagnostic Trouble Code Discussion for July 2010

CKP Or CMP Sensor Signal Intermittent

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Trouble Ticket Help Requests for DTC P1391
Help Request Posted
2003 Jeep Liberty Sport 3.7L Stall, MIL Lamp on VIN: 1J4GK48K13
P1391: CKP Or CMP Sensor Signal Intermittent. ... jeep liberty came in with complaint of stalling and no start for 20-30 min checked codes found PO320 no crank referance signal at pcm. checked connection and wires for damage then replaced crank sensor , still same prob. replaced with sensor from dealer sa...
July 01, 2010
2004 Chrysler Sebring 2.7L No Start VIN: 1C3EL46R04
P1391: . Another shop put a new water pump and timing chain kit in it.now it will not start until you disconnect cam sensor,car runs good,flywheel doesn't look its broken.I have take it apart 3 times to make sure the timing chain marks all line up.we are missing someth...
July 24, 2010
2003 Dodge Grand Caravan Sport 3.3L Cuts out, Misfire VIN: 2D4GP44R33
P1391: CKP Or CMP Sensor Signal Intermittent. problem still recurring.
July 27, 2010
2004 Jeep Wrangler Sport 4.0L Cuts out, Stall, MIL Lamp on VIN: 1J4F449S44
P1391: CKP Or CMP Sensor Signal Intermittent. ... city yard, they replaced crank sensor due to stalling and trouble code, problem still exists, we monitored the cam sensor and crank sensor wires with lab scope and found normal wave form pattern, replaced cam sensor and checked sync=ok,perform alternator r...
July 29, 2010