Quote:
Originally Posted by Jesse36m3
Mine has done this ever since I can remember, and from what I diagnosed, it's related to the throttle body stepper motor. I believe you are hearing a particular resonant frequency emitting from the internal electromagnets that are trying to maintain the stepper's position. The reason you can hear it just in accessory is because the engine will mask that sound while running.
I really don't think it's anything to worry about.
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Yaaaaa.........Jesse36m3 fixed it ........
Confirmed by @
Ultramaroon ...... so, it must be right ......
Yep, I checked mine and it does it too ....... but not nearly THAT loud ......
humfrz