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P1391 Diagnostic Trouble Code Discussion for January 2014

CKP Or CMP Sensor Signal Intermittent

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Trouble Ticket Help Requests for DTC P1391
Help Request Posted
2001 Dodge Ram 1500 ST 5.2L Poor Idle Quality, Surge, Stall, MIL Lamp on VIN: 1B7HF13Y41
P1391: CMp or CKP problem. ... this 2001 Ram. When it is cold(sitting overnight), this truck will stumble, buck and often stall, but only if it is put into REVERSE. If you put it in drive, it will drive off, or idle perfectly as long as you want. Once the truck is driven for 10mins or m...
January 28, 2014