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P1391 Diagnostic Trouble Code Discussion for April 2009

CKP Or CMP Sensor Signal Intermittent

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Trouble Ticket Help Requests for DTC P1391
Help Request Posted
1997 Dodge Dakota 3.9L Poor Idle Quality, Stall, MIL Lamp on VIN: 1B7FL26X1V
P1391: CKP Or CMP Sensor Signal Intermittent. ... intermittently stalls. car had code p1391 with is common for these cars. i have replaced both cam and crank sensors and no change code comes back after a while also data on the scanner shows current sync. between crank and cam is lost with koer but ok with...
April 09, 2009
1997 Chrysler Cirrus LX 2.5L Hesitation, MIL Lamp on VIN: 1C3EJ56H4V
P1391: intermittent cam signal loss. Vehicle came in intermittently running poorly. When running poorly we find trouble codes indicating loss of cam signal at pcm. Inspected all wiring, connections, etc. and found everything ok. We ended up replacing the distributor (cam sensor) then the cranksha...
April 28, 2009
2003 Dodge Grand Caravan ES 3.8L Cuts out VIN: 2D4GP54L73
P1391: CKP Or CMP Sensor Signal Intermittent. ... after the dealership was unable to duplicate the condition. The van gets what is best described as a misfire only under load, and this only happens after it has been sitting outside over night and will only do this for maybe 3 or 4 road tests after that it...
April 29, 2009