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audi 1.9tdi power loss

madmark Aug 22, 2009

  1. madmark

    madmark Member

    hello i have a 110bhp a3 tdi when i first start it it looses power as if the turbo isent working no lights on if i then switch it off and restart its fine ? i had a read out done said turbo waste gate relay at fault replaced but no change . also tryed airflow sensor no change some1 must of had this problem lol had a full service aswell no change any idears its doing my head in please help :meeting:
  2. evomaster3000

    evomaster3000 Member

    You really need a boost guage so you know what the turbo is doing.

    Could be a number of things, faulty N75, Sticking vanes on the turbo are the most common.

    But without knowing how the turbo is behaving pressures wise i can't really advise.

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