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n75 valve on my mk leon cupra

Neil Wilson

Guest
just been reading some previous threads with concerns regarding DV operation. i get a few problems with actuation of DV. Tried replacing my DV with new one and still getting a weak hiss. someone on a vw forum has mentioned that he bypassed n75?
 

Neil Wilson

Guest
would bypassing the n249 valve increase the cump from my DV?
 
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