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Thread: Code P0300

  1. #1

    Default Code P0300

    The code P0300 is showing on my 2002 Tahoe! I have whipple supercharge, new catalyst, new sensores, new plugs, new wires and new MSD coils. Can any one help where should I be looking at? assistance is much appreciated.

  2. #2

    Default

    i have a 99 taheo thats throwing p0306,i changed just about every thing like you did also, my next thing is my distrabtor

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