Recent content by tshumaker

I did not realize how close the relationship of the sync pulse and the crank pulse had to be. I always thought the sync sensor was just to determine where to start the injector fire sequence. I guess if its off the ECM says 'Wait, I cant fire the injectors here ..." and gets confused where to...

WHUMP . . . Did you hear that ??? that's me banging my head against the wall so hard it created an ultrasonic concussion to rival that of Krakatoa! You guys nailed it! It was the distributor off by one tooth. It looked like 5-oclock to me, but it was more like 4:30. Any way thanks again...

Thank you for your replies. I've had the distributor in and out so many times I think Ive worn out the hole. I've followed the link you provided, and the FSM. I think its in there right. Of course it wont hurt to recheck! What I was tracing down last night was the voltage from the Auto Shut...

I have a 91 XJ 4.0L. I just installed a rebuilt engine and it wont start. erratic spark from the coil. Its like spark, spark, pause, spark, spark, ... plugs at 1 and 4 get spark but no body else. every once in a while, it seems to want to start, and the coil will put out rapid sparks but it...

HI, Were you able to solve your problem? I have the exact same problems.