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Old December 5th, 2017, 07:29
blakews2217 blakews2217 is offline
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Join Date: Jun 2016
Location: Alton, Illinois
Posts: 255
replaced CPS now I have coil pack codes?

Quote:
Originally Posted by SeansBlueXJ View Post
I was out in my 2000 4.0 running errands I had a moment when it cranked and didn't start, then tried again started up. This happened again and then it threw the code P1391. Then after my last time starting it I had several times it stalled out etc. Finally got it running consistent and then headed home. Got home OK but then was having several issues starting. I changed both the Crank and Cam position sensors, left the battery disconnected etc. The jeep still has the same issues starting, I need to go through several cycles of cranking it. Well when it starts, it will idle fine, but any increase on the throttle, or any attempt to move throws it into rough idle, and most likely a stall.



The codes I am pulling now however are different. p0351/0352/0353 Ignition Coil A/B/C primary/secondary circuit. So any thoughts? I do not just want to go chasing gremlins and throwing money I don't have at this time. This is still my daily and I can't afford to have it down long. Please help!


Same thing happened to mine when the CMP sensor had failed. Be sure you indexed it correctly.

If you look on the synchronizer body there’s a small pinhole in it and the rotor inside it.

Loosen the bolt on the engine block so you can turn the entire synchronizer body

Turn it so you can line the holes up ( may have to bump the starter so you can get it close)

Put the paper clip through the holes and tighten the bolt.

Install sensor cap and plug it in. Then try to start it.


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