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D.V. Vs R.V.

A4turbo_uk Feb 19, 2008

  1. A4turbo_uk

    A4turbo_uk New Member

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    Does any1 knw if I can use an atmospheric dump valve by pluging the recirculator pipe on my 18t?

    Obviously I dont want to mess it up?!!! :think:
     
  2. Blue_Thunder

    Blue_Thunder Well-Known Member

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    You will be running rich when you come back on the throttle as the ECU will be expecting the air it has already measured coming in through the MAF. If you dump it out into the atmosphere, that air isn't there anymore, but the ECU thinks it is. You'll get momentary overfuelling, black smoke out of the exhaust and lower fuel economy.

    Don't think you will do any permanent damage, but you certainly won't benefit from it (other than having chavs in McD's carpark looking over at you in awe).
     

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