P1391 Diagnostic Trouble Code Discussion for August 2010
CKP Or CMP Sensor Signal Intermittent
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| Help Request | Posted | |
| 2003 Dodge Durango SLT 5.9L Cuts out, Stall, MIL Lamp on VIN: 1D4HS48213 P1391: CKP Or CMP Sensor Signal Intermittent. ... complaint of engine bogging down. Customer drilled a bunch of holes through Catalytic converter because it acts like a plugged cat. Check engine is on for loss of Cam/Crank sync(p1391). Verified exhaust was not plugged by removing o2 sensor. Problem still ... |
August 02, 2010 | |
| 1996 Chrysler Sebring JXi 2.5L Poor Idle Quality, MIL Lamp on VIN: 3C3EL55H3T P1391: Intermitant loss of cmp signal. ... sebring that has an engine light on. The code is p1391 - intermitant loss of cmp signal. I checked the ckp sensor and the cmp sensor at each connector, and at the ecm. Supply voltages are constant and signals never cut or drop out. No problems with either ... |
August 30, 2010 |
