P1391 OBD Trouble Code
1 result found
|Type||Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled|
CMP or CKP Sensor Signal Intermittent Conditions
Engine runtime over 7 seconds, then the PCM detected that the Actual CMP level disagreed with the Expected CMP sensor signal level. Refer to code repair chart in other manuals or media to test CKP/CMP circuits, mounting hardware and operation.
Try also: http://www.obd-codes.com/p1391