
P1391 Diagnostic Trouble Code Discussion for December 2009
CKP Or CMP Sensor Signal Intermittent
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P1391
Help Request | Posted | |
2002 Chrysler Town & Country EX 3.8L No Start, MIL Lamp on VIN: 2C8GP64L52 P1391: CKP Or CMP Sensor Signal Intermittent. ... should be easy but has been kickin’ my butt. The vehicle came in for an intermittent cutting out on acceleration with a P1391 (intermittent loss of CMP or CKP sensor) I monitored engine data while driving and found the crank shaft sensor was dropping out. ... |
December 24, 2009 | |
2002 Dodge Ram 1500 SLT 3.7L MIL Lamp on VIN: 1D7HA16K62 P1391: Intermittent loss of CMPS or CRKPS. ... had already had truck at the dealer and there was no compression on cylinder #5. We also checked it and they were right. We pulled the heads, it had a valve seat come out and the exhaust valve was hung open. We checked and marked all the chains.The problem... |
December 29, 2009 |