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P1391 Diagnostic Trouble Code Discussion for January 2011

CKP Or CMP Sensor Signal Intermittent

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Trouble Ticket Help Requests for DTC P1391
Help Request Posted
1998 Dodge B1500 3.9L Cuts out VIN: 2B7HB21X4V
P1391: CKP Or CMP Sensor Signal Intermittent. ... was 1 month old, from another shop but PLUGGED SOLID! Installed new exhaust, sounds GREAT! now Oil light on. Replaced Oil pump. It was also PLUGGED! On test drive, engine "hicuped" but diddn't stall. Check engine light came on, with a po300 code. c...
January 22, 2011