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Discussion Starter · #1 ·
Since I installed a cold air intake I hear my turbo surge (stututu) when letting off gas.

I just changed the diverter valve for a new one and I still get that exact same surge noise.

Any ideas??
 

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B5 A4 2.0 Stroker, 2016 VW Touareg
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I will look if it leaks and look at the n75.
If it interest you au will tell you what was the problem
You can also hook your diverter valve to compressor at around 10-15psi and see if it’s leaking


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