P1391 Diagnostic Trouble Code Discussion for November 2004
CKP Or CMP Sensor Signal Intermittent
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| Help Request | Posted | |
| 1999 Jeep Grand Cherokee Laredo 4.7L MIL Lamp on VIN: 1J4GW58N1X P1391: CKP Or CMP Sensor Signal Intermittent. ... help.I work at a ford dealer and one of our good customers brought us this jeep to fix. I have very little chrysler experience. check engine light on , has stored these codes, p0340 loss of cam sensor signal,p1391 intermittent los of cmp or ckp,and p0505 i... |
November 09, 2004 | |
| 1996 Jeep Grand Cherokee Laredo 4.0L No Start, Stall, MIL Lamp on VIN: 1J4EX58SXT P1391: CKP Or CMP Sensor Signal Intermittent. ... will crank want start, had no spark no injector pulse, had code p0320 no crank reff signal at pcm, scaner reads 0 rpms when crank the engine, check crank sensor circuit had 5 volts good ground signal wire had flat line,so we put crank sensor know the engin... |
November 10, 2004 | |
| 1999 Jeep Grand Cherokee Limited 4.7L Poor Idle Quality, MIL Lamp on VIN: 1J4GW68N1X P1391: CKP Or CMP Sensor Signal Intermittent. hello group i have this 99 jeep with reoccuring dtc p1399,already replaced ckp sensor.every time i scope cam/crank signals with my dso signals appear in sync.what am i missing? the engine does appear to have slight stumble at idle but i don't know if that is ... |
November 18, 2004 |
