audi 80 20 e 93 single point injection, engine misfires at 2000-3000 rpm. have cheked valve and ignition timing, the injection unit has been changed, new plugs.compression test ok,some times it runs fine .any one got any ideas
there seems a good spark, is there a way to check the coil pack other than taking it to a garage, where a so called mechanic will take one look ,and say its gona cost you mate. ps there is a box on the side of the coil pack with a wire going to the coil , what is it ? any ideas ?
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