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    Misfire after tune up

    It feels like its running fine. No noticeable feeling. Not sure on compression. Have not done yet.
  2. F

    Misfire after tune up

    She
  3. F

    Misfire after tune up

    So we replaces all 4 02 sensors, replaced ignition coil rail, and installed new bosch platinum spark plugs. We are still having a misfire on cylinders 1,3,4 and 6. Dont know where to start and look for next possible issue. 01 wrangler 4.0. Any help appreciated.
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