Not sure why, but out of no where my is250 started making a whistling like noise/ humming noise while under acceleration, makes it sound a bit like it’s turbocharged or has a centrifugal supercharger lol and I know that the engines themselves and even the way the transmission is built gives it that supercharger like whine, and I love it but this is a different sound which is not as easy to pick up on video but it is more of a high pitched whistle, car runs fine no lights on the dash

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