Bear4

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    Bear4 replied to the thread Starts then dies.

    You may want to try the cam position sensor. On my 94 4.0 it was a very easy swap and fairly inexpensive. Looks like a plate on top of...

    Apr 13, 2024
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    Bear4 replied to the thread Diagnosing ECM problems.

    So I was able to swap ASD relays and ecu after fully charging the battery and I also installed a new cam CPS. swapping ecu it started...

    Feb 29, 2024
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    Bear4 replied to the thread Diagnosing ECM problems.

    Swapped ecu and it fired right up. So now to have the old one repaired, maybe find a spare.

    Feb 20, 2024
  • B

    Bear4 replied to the thread Diagnosing ECM problems.

    spare YJ

    Feb 20, 2024
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    Bear4 replied to the thread Diagnosing ECM problems.

    Thank you I have a spare you that can swap parts from and I am going to swap out the ecu and see if either one starts…soon as it warms...

    Feb 20, 2024
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    Bear4 posted the thread Diagnosing ECM problems in YJ General Discussion.

    So I replaced the TPS on my 94 4.0 and accidentally left the ignition on for about 30 minutes and heard a loud clicking coming from the...

    Feb 19, 2024

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