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Thread: Code P0300

  1. 02-13-2008, 02:48 PM #1
    msm1889
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    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.
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  2. 04-10-2008, 08:52 PM #2
    luderacer
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    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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