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A3 occasional misfire 3000rpm

0120raptor Dec 27, 2013

  1. 0120raptor

    0120raptor Member

    A3 bmn engine 170 hp. Car ran really well till xmas day.It started to misfire occasionally about 3000rpm. whilst accelerating hardish.It feels like complete momentary electrical failure to injectors.If I accelerate slowly to past 3000rpm it doesn`t do it.No dash lights. VCDS shows nothing.Engine and gearbox were removed about 3 weeks ago but all was ok until a couple of days ago.I`ve wiggled all the connections with engine running but can`t get it to miss. Anyone any ideas?

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