P1391 Diagnostic Trouble Code Discussion for April 2008
CKP Or CMP Sensor Signal Intermittent
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| Help Request | Posted | |
| 1998 Jeep Grand Cherokee Laredo 4.0L No Start VIN: 1J4GZ58S9W P1391: CKP Or CMP Sensor Signal Intermittent. Originally blown ASD relay fuse - Installed new fuse, started right up - Drove vehicle and ran ok, backed into parking place and stalled, blown fuse again. Investigated and found downstream Oxygen sensor wires shorted by rubbing on driveshaft yoke. With this I... |
April 19, 2008 |
