Question about 1994 Jeep Wrangler

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Runs rough, misses, sometimes then clears up.

6 cyl, runs rough misses part of the time. Some times it will run smooth.

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You have a cylinder misfire. You need to check the distributor, wires, and pull the plugs because something is not firing the fuel mixture in one or more of your cylinders at timew. you can do the plugs yourself for the most part. I dont know how the 6 cyl looks in the engine compartment of the wrangler, but from my experience with a 96 XJ, number 6 cylinder is very difficult to get to because of the interior air intake vents. if all the plugs seem fine, you may want to take it into a shop for a distrubutor and wire check

Posted on Apr 19, 2009

  • theironheadc
    theironheadc Jul 14, 2012

    i know this is old but for further inquiries i would suggest checking fuel lines, he stated he changed the tank, that is when it got worse. i have had the engine **** up air through a cracked fuel line, it didnt leak gas just sucked air into the line causing a rough idle and poor performance.

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Replaced fuel tank, now it is humming and misfiring bad?

Posted on Jun 06, 2009

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