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P1391 Diagnostic Trouble Code Discussion for July 2014

CKP Or CMP Sensor Signal Intermittent


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Trouble Ticket Help Requests for DTC P1391
Help Request Posted
1998 Jeep Cherokee Classic 4.0L Poor Idle Quality, Stall, Misfire, MIL Lamp on, rough idle,dtc1391 VIN: 1J4FJ68S7W
P1391: CKP Or CMP Sensor Signal Intermittent. ... description of my repairs and adjustments, I cannot seem to get rid of that dtc p1391. loss of camshaft crank. I was thinking of my crankshaft sensor, maybe my trigger wheel being too far away from the sensor, maybe trash stuck the magnetic side of the sen...
July 03, 2014
2000 Chrysler Sebring JXi 2.5L Misfire, Chug/Bucks VIN: 3C3EL55H5Y
P1391: Intermittent loss of cam/crank signal. This car originally came in 2 weeks ago with occasional no-start. We checked, had no codes, then finally duplicated no-start. Had no spark. Replace distributor & crank sensor - with new aftermarket units. Car started, ran fine for us & customer for 1 w...
July 10, 2014
2003 Dodge Grand Caravan SE 3.3L Surge, Cuts out, Stall VIN: 2D4GP24363
P1391: CKP Or CMP Sensor Signal Intermittent. Vehicle came in with cutting out symptom and ck eng lt on. Scan found 1391. Ckd circuits and found power wire to CMP cut and wires twisted together. Repaired wire, recheck, still had code. Scope saw some flaws, replaced sensor, recheck and code came back. I ch...
July 10, 2014
2003 Dodge Grand Caravan SE 3.3L Surge, Cuts out, Stall VIN: 2D4GP24363
P1391: CKP Or CMP Sensor Signal Intermittent. Vehicle came in with cutting out symptom and ck eng lt on. Scan found 1391. Ckd circuits and found power wire to CMP cut and wires twisted together. Repaired wire, recheck, still had code. Scope saw some flaws, replaced sensor, recheck and code came back. I ch...
July 14, 2014