Cant see anything on here about my situation so Im gonna post it. I have an 06 gt and I notice that when i start it up cold it revs high like it usually does. Then when it settles it makes a weird whine sound, almost like a supercharger at idle or power steering but not quite as loud. after a few minutes of warming up it seems to stop making the noise. I have an aftermarket head unit but lights dont seem to fade when I have my radio on, so im figuring is not alternator or battery. Anyone have this before or know how to approach this problem?
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