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1391 is for an intermittent loss of the cam sensor or crank sensor signal
P0403 is a failed EGR solenoid. P1391 is intermittent loss of cam or crank sensor.
Trouble code P1391 means: Intermittent loss of CMP or CKP
Trouble code P1391 means: Intermittent loss of CMP or CKP
Trouble code P1391 means: Intermittent loss of CMP or CKP
Trouble code P1391 means: Intermittent loss of CMP or CKP
Trouble code P1391 means: Intermittent loss of CMP or CKP
Trouble code P1391 means: Intermittent loss of CMP or CKP
Trouble code P1391 means: Intermittent loss of CMP or CKP
Trouble code P1391 means: Intermittent loss of CMP or CKP
Trouble code P1391 means: Intermittent loss of CMP or CKP what does cmp or ckp stand for
CMP-camshaft position sensorCKP-crankshaft position sensorCMP-camshaft position sensorCKP-crankshaft position sensor