rough running motor

  1. J

    94 4 cyl in an 89 YJ - runs rough

    I'm new to the Jeep community. (2 wks). Purchased an '89 Wrangler YJ. Running rough. Had new plugs, dist cap, rotor, wires & pcv valve. Runs "smoother" but not correct. My question: where to go from here? - different engine "electronics module" incompatible? - go to a carburator - other Any...
    • Jobeck
    • Thread
    • 4 cylinder 89 body 94 motor efi or carburator rough running motor
    • Replies: 6
    • Forum: Wrangler and CJ
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