Whistle under load
#1
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Whistle under load
My 02' S2K with 55k miles has developed its first "problem" (if this even qualifies). Under load/acceleration there is a whistling noise from the engine bay. The car still runs/drives perfectly.
My first though was "vacuuum leak," but I didnt immediatly see anything obivous, and the idle has not changed. Any ideas?
My first though was "vacuuum leak," but I didnt immediatly see anything obivous, and the idle has not changed. Any ideas?
#3
If it only happens between 2.5k-3.5k rpm then 98% your good. The air rushing over the plate in your throttle body makes the whistle. Pretty much everyone's car does it, it just depends on your intake set up if you can hear it. When I bought my car with the stock paper filter I couldn't hear it, but then when I put in a k&n replacement, the noise came up.
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