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A3 occasional misfire 3000rpm

0120raptor Dec 27, 2013

  1. 0120raptor

    0120raptor Member

    40
    7
    8
    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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