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    Help with P0306 misfire code on 2006 Jeep Wrangler 4.0

    Does this mean I need to get my engine rebuilt? / what kind of repair cost am I looking at?
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    Help with P0306 misfire code on 2006 Jeep Wrangler 4.0

    I will take a look at that guide. If you cleared the code would it be fine for a bit, and then come back after 25-100 miles or so?
  3. T

    Help with P0306 misfire code on 2006 Jeep Wrangler 4.0

    I will take a look at that guide. If you cleared the code would it be fine for a bit, and then come back after 25-100 miles or so?
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    Help with P0306 misfire code on 2006 Jeep Wrangler 4.0

    2006 Jeep Wrangler X 4.0 6-speed I have the dreaded misfire. The weird thing is it will occasionally go away and then come back. I can tell when it's going to come back because it gets noticeably rougher. I have tried changing out spark plugs, changed the ignition pack, new 4-hole Bosch fuel...