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P1391 Diagnostic Trouble Code Discussion for May 2007

CKP Or CMP Sensor Signal Intermittent

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Trouble Ticket Help Requests for DTC P1391
Help Request Posted
1998 Jeep Wrangler SE 2.5L MIL Lamp on VIN: 1J4FY29P2W
P1391: CKP Or CMP Sensor Signal Intermittent. ... how to proceed with this lovely jeep tj.The customer has gone to the dealer with this for the passed 3 months.What the jeep does is flash the mil light on when ever it feels like it,sometimes comes on when starting,sometimes at idle,sometimes while driving...
May 17, 2007
2000 Chrysler Town & Country Limited 3.8L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1C4GP64L5Y
P1391: CKP Or CMP Sensor Signal Intermittent. chrysler techs help this car originaly came in for an intermitten hesitation that i could never verify. we tuned it up and seemed o.k. custmer called back a few months latter and said it is getting worse.road tested and had bad hesitation popping out the intak...
May 18, 2007
1996 Dodge Intrepid 3.3L Cuts out, MIL Lamp on VIN: 1B3HD46T2T
P1391: CKP Or CMP Sensor Signal Intermittent. ... it will cut out,jerk,pop through the intake and exhaust. After about 2 miles it will stop acting up and and will fine again until the next day.Sets code p1391. We have replaced the cam and crank sensor with Carquest, replaced crank sensor with dealer part...
May 23, 2007
1997 Dodge B2500 3.9L Cuts out, Misfire, MIL Lamp on VIN: 2B7HB21X3V
P1391: CKP Or CMP Sensor Signal Intermittent. Van originally came in with a low charging voltage & misfire # 4 cylinder code with a complaint of no power. Scoped the ignition & found a bad plug wire to number 4. Replaced the set with a new cap & rotor. Looked good on the scope & test drove...
May 23, 2007
1999 Plymouth Grand Voyager Expresso 3.3L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 2P4GP44R9X
P1391: CKP Or CMP Sensor Signal Intermittent. The vehicle has a cut out anywhere above 2000 RPM. The Tach will drop immediatly, like it was shut off, then come right back. Voltage drop on ECM ground is 0V, except during cut-out, when a 1V voltage drop is seen on a labscope. TPS, MAP, ECT, IAT signals are ...
May 24, 2007
2002 Dodge Durango SLT 4.7L MIL Lamp on VIN: 1B4HS48N42
P1391: CKP Or CMP Sensor Signal Intermittent. ... SHOP. A 2002 darango w/4.7 MIL comes on when you start it code p1391 cps or crps missing. but it runs fine. the only complaint is the MIL on. the customer had it to dodge dealer they replaced the cam postion senor & crank posion sensor. no diff. they t...
May 28, 2007