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  1. Stupid misfire

    MK4
    I don't know if you all remember a couple months back I ripped into my beetle to fix the water pump. Well a long story short I decided then would be a good time to upgrade my K03s with a K04. It is done now and I got the K04 flash. It ran good for about 1week now it is misfiring at 17+ lbs of...
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