Question about 2004 Audi A4
It's not a cat problem or you'd have misfires on all cylinders. P0300 is random misfires, and the codes increment to show what cylinder is misfiring. P0301 is a misfire on cylinder 1, P0302 is cylinder 2, etc. You likely have a bad coilpack. Whichever cylinder is indicated, replace that coilpack.
Posted on Jul 04, 2011
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Posted on Jan 02, 2017
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