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  • Evening all,
    Lately I've been hunting down a rough idle/rough running condition. I've owned this 96 since 97 and it currently has 240k on original 4.0/AW4.
    The problem has developed over several weeks prompting me to replace the IAC, TPS, spark plugs, 02 sensors and intake manifold temp sensor, cleaning throttle body, and checking vacuum (steady 22).
    It would run for a few days then degrade again. Finally it bogged completely, lost all power, backfired softly a few times, threw a misfire code and died. Had it towed but they couldn't find anything. Picked it up and drove it home.

    When I pulled the dist cap it had fine brass dust coating the top circumference and center and the electrodes looked like they had lumpy carbon mold growing on them. I could not find the pictures and albums tab on the control panel..sorry.


    Replaced and ran much better-duh. Will see if problem continues. Would this have caused the code/condition?

    Thanks
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