P1391 Diagnostic Trouble Code Discussion for June 2014
CKP Or CMP Sensor Signal Intermittent
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| Help Request | Posted | |
| 1998 Jeep Cherokee Classic 4.0L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1J4FJ68S4W P1391: CKP Or CMP Sensor Signal Intermittent. ... 2 used computers and a new distributor and 2 crank sensors, however vehicle still has a missfire, hesitation. Code p1391 (intermittent loss of cam or crank signal). Wiring harness apears to be good and have performed wiggle test with no change. Cam and cra... |
June 12, 2014 | |
| 1997 Jeep Wrangler Sport 4.0L MIL Lamp on VIN: 1J4FY19S2V P1391: CKP Or CMP Sensor Signal Intermittent. ... to look at this for an employees' friend. Another shop replaced the ckp sensor with an OE part,for a No Start condition. It fixed the no start but the CEL was then on with fault code P1391. Code description is "intermittant loss of cam or crank positi... |
June 17, 2014 |
