ANY IDEA WHAT THIS ENGINE WHISTLING NOISE IS?

2016 AUDI A3
TURBO • 4WD • AUTOMATIC
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BHAMDOC1
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https://www.youtube.com/watch?v=Gfu7AGtNOa8
Aug 17, 2026 at 1:40 PM
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STRAILER
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Can you please upload the video to the site so I can see it?
Aug 19, 2026 at 6:33 AM
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BHAMDOC1
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I tried but it is not giving me the option to download the video to save it and then upload it
Aug 19, 2026 at 6:43 AM
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BHAMDOC1
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I got it
Video (Click to enlarge)
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Aug 19, 2026 at 6:56 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,542 POSTS
I don't hear the whistle, but I can say aftermarket air intakes whistle, can it be a vacuum leak? Here is a video to help.

https://www.youtube.com/watch?v=xN5pcM-5bso

Let me know.
Aug 19, 2026 at 7:13 AM
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