i in staler new crankshaft sensor i steel have the problem

Question

i replace the crankshaft sensor an the light steel on 2002 jeep liberty spor 3.7

Answer 1

P1391 Intermittent loss of CMP or CKP

This is where a labscope would be needed, to measure the CKP and CMP,

 By measuring the CKP and CMP position you can determine if the flywheel is out of position

 The CKP uses the flywheel where the toner for the CKP is