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iTrader: (17)

I have a "whistling" sound, for lack of a better term, that goes up and down with RPM's that I can only here inside the car. Not noticable when bumping the throttle at the engine. Does it even while in driveway and of course that's when it's most noticable because of lack of road noise etc. Usually starts after engine has been running a 30 secs or a minute or so, not right at start up.

I can't figure this one out but it seems to have started when I moved my AF gauge to the AC vent. I know that sounds stupid but that's when it started. Any ideas on what this would be?

Thanks
Bryan
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