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P1391 Diagnostic Trouble Code Discussion for August 2008

CKP Or CMP Sensor Signal Intermittent

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Trouble Ticket Help Requests for DTC P1391
Help Request Posted
2002 Dodge Ram 3500 Van 5.2L No Start VIN: 2B5WB35Y22
P1391: CKP Or CMP Sensor Signal Intermittent. ... b3500 5.2 liter van was towed in as a no-start. it has good strong spark at all 8 cylinders. fuel pressure is 50 psi. fuel volume is 1 liter per minute, which is right on spec. all 8 injectors are pulsing. fuel trims are normal. there is no back-pressure. ...
August 05, 2008