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2018 TDI 50 dump valve?

Dam0 Jul 25, 2018

  1. Dam0

    Dam0 New Member

    with all the hot weather i drove home today with my windows down to let the hot air out of my car. As i drove off and let my foot off the throttle, i heard what i can only describe as the sound of a dump valve. this only happened at certain revs, but i was surprised.

    Have audi put some sort of valve in which hisses? (i like it)

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