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  1. S

    Misfire in all cylinders

    I brought them set already on .040. Car quest was the brand of the coils. It was 16 different codes. 02 sensors, coils and misfires.
  2. S

    Misfire in all cylinders

    I recently changed all the coils and spark plugs, but it still saying that all six are misfiring any idea or anyone else ever dealt with this issue? Could the 02 sensor cause this?
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