i can hear a high pitch whistling noise coming from under the hood when i'm driving. i can hear it in all of my gears at all speeds, but more apparent in 1st and 2nd cuz of lower speeds and less road noise. I hear all the time under normal driving around half an open throttle, I don't hear it under full throttle or when i take my foot off the accelerator.
I know its not the iddler pulley just had it replaced this summer. i also replaced belts this summer
Could this be a TB problem? I had this problem for a while now with my stock TB and with the 65mm TB. It getting worse with time and its annoying the living out of me.
Or could this be a leaky vacuum hose? if it is, how can i find the leak?
95 SE MTX
DH UIM, 65mm TB, SC CAI, Quaife, Centerforce, Fidanza, UR Pulley, F/R Strut Braces, Cross Drilled Rotors, S.S. Brake Hoses, 18" Enkei RS5, SVT Engine Mounts+Inserts, MSDS & y-pipe, Trubendz resonated exhaust & MagnaFlow cat
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