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  1. DarrinS

    Mazdaspeed 3 Cylinder 1 and 4 Misfire

    I’ve looked around the coil harness and everything looked fine. Where else should I look? I gapped them to .028
  2. DarrinS

    Mazdaspeed 3 Cylinder 1 and 4 Misfire

    I did that and the misfire still stayed on 1&4.
  3. DarrinS

    Mazdaspeed 3 Cylinder 1 and 4 Misfire

    Hello all, I’m running into a huge problem on my speed 3. I’m having a cylinder 1 and 4 constant misfire. It will randomly stop and run fine then go back to misfiring. Recently it has not stopped misfiring. What I have done: Spark plugs replaced and gapped MAF replaced Set of fresh injectors...
  4. DarrinS

    Cylinder 1 and 4 Misfire

    Hello all, I’m running into a huge problem on my speed 3. I’m having a cylinder 1 and 4 constant misfire. It will randomly stop and run fine then go back to misfiring. Recently it has not stopped misfiring. What I have done: Spark plugs replaced and gapped MAF replaced Set of fresh injectors...
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