Faint humming sound when I rev the engine

capt_slow

Veteran Member
Joined
Apr 24, 2011
Location
SoCal
TDI
2015 GSW TDI SEL
I might be having it too. For me at least, it sounds like road noise from passing cars were leaking into the cabin. Although I'm quite convinced its coming from the engine since it happens out of sync with any nearby cars and its periodic.
 
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