Question about 2000 Jeep Grand Cherokee
Just replaced head gasket put back together no spark/start does crank.. checked all fuses, relays,most obvious usual things anti theft???? unfortunately i dont have a k-13 key for my snap on solace scanner no can communicate with ecm....
A COMMON PROBLEM I'VE SEEN MANY TIMES IS THE CRANK SENSOR DISRUPTING COMMUNICATION WITH PCM. UNPLUG THE CRANK SENSOR AND CHECK FOR RESPONSE OF PCM. IF COMMUNICATION IS NOW POSSIBLE YOU HAVE A BAD CRANK SENSOR. IT'S A PROBLEM I'VE SEEN NUMEROUS TIMES. DOUBLE CHECK YOUR TIMING.
Posted on Sep 27, 2008
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