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  1. 2005 - 2010 Mustang GT
    Check engine light came on a week ago and had a slight miss at idle up to 2000 rpm but I thought bad gas? Ran great when you stuck you foot in it. But it seem to get any better and miss get to be more noticable. Had friend put a code reader on and got two codes P0303 (clylinder 8 misfire) and...
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