i havent checked this post in awhile, but i a local friend that works with mustangs and he said to use motorcrafts that mustangs hate boschs. so that may be it. at advance is says cylinder misfire 1 and 2. but it doesnt miss all the time, it revs smooth, but going down its like bom-boom-boom and shakes alot but does the light rumble. idk, i want to rev my car and it be smooth down. lol but ill try that
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