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Challenge Diagnostic

1K views 4 replies 3 participants last post by  VTrider36 
#1 ·
My 2004 WRX is displaying some strange symptoms, would anyone like to offer up possible issues?
here's the lowdown:
-Only snorkus delete and drop in filter mods.
- sound at low throttle in higher gears, mainly 4th and 5th. Does not make sound at any RPM in neutral
-sound is like humming/vibrating noise,kinda like when you vibrate your tongue between your teeth (hard to describe) eventually goes away as accelerating
-does not happen while in cruise control...
-I'm pretty sure there are no boost or exhaust leaks but i havent really checked thoroughly.
-No apparent performance issues, runs fine, calm idle

Pretty much i have no idea whats going on... it may not even be detrimental, but id rather it wasn't making that noise, it doesn't sound natural... any help/ideas would be welcomed and appreciated.

Thanks fellow scoob addicts
 
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