2002 Suburban throttle whine

I hear a high pitched whine or squeal when pressing the throttle. Even the very slightest pressure will create this noise. With the throttle held constant I also hear the noise as the car shifts gears. The noise is a very short duration. I do not think it is a belt or bearing noise. Any ideas? Thanks.


2 thoughts on “2002 Suburban throttle whine”

  1. The idle seems normal and the vehicle runs great. I’m hoping to get under the hood this weekend for a better listen.

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