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  1. High-Pitched Whine Coming From Engine Bay (2021 Toyota GR Supra 3.0)

    At this point I've come to the conclusion that it's perfectly normal. Multiple people have reported that sound from their GR Supra and when I took mine to the dealership they said the sound was normal, same with others who took it to the dealership to get it checked. I believe I read once that...
  2. High-Pitched Whine Coming From Engine Bay (2021 Toyota GR Supra 3.0)

    I have not once touched the ECU except for once to find out and disappoint myself that the ECU was made past June 2020 (Some 2021s, although relatively rare, have a chance of having an unlockable and tunable ECU without needing FEMTO). I bought my car certified pre-owned from a Toyota dealership...
  3. High-Pitched Whine Coming From Engine Bay (2021 Toyota GR Supra 3.0)

    I took it to the dealership and they said that the sound is normal and there was nothing wrong. They said that if it gets louder or something breaks to bring it back and then I guess they'd do something about it? lol. I definitely floor it all the time and nothing has gone wrong and I don't...
  4. High-Pitched Whine Coming From Engine Bay (2021 Toyota GR Supra 3.0)

    I see... if I do take my car in some day (whenever THAT's possible due to work and them always being booked on weekends), hopefully I'll have better luck getting these things resolved... Best of luck to us both though, and our cars lasting!
  5. High-Pitched Whine Coming From Engine Bay (2021 Toyota GR Supra 3.0)

    Man... my 2014 Corolla's interior is super well built compared to my Supra's, lol. No creaking in that car but yet my Supra loves to creak in nearly every panel... sounds like an old beat up car, specially at the beginning of my drives. ?
  6. Weird whistling noise on idle

    This is a bit of a late reply, I just saw this, but I actually noticed this exact same sound in my car and had also made a post about it the other day. Based on replies on my post as well, it seems that other people are experiencing the same high-pitched whine coming from their engine bay closer...
  7. High-Pitched Whine Coming From Engine Bay (2021 Toyota GR Supra 3.0)

    This is the exact same sound I'm getting! I really do hope it's normal like the dealership said. For some reason when I click on the link, it doesn't take me to the reel, it just acts as a broken link, but yet it shows the video in your post... weird... also, do you by any chance also get a...
  8. High-Pitched Whine Coming From Engine Bay (2021 Toyota GR Supra 3.0)

    I see... if you can get a video and upload it so I can compare I'd very much appreciate it! Really hope the dealership was right about your car based on what you said about the warranty... Nice refraction blue by the way.
  9. High-Pitched Whine Coming From Engine Bay (2021 Toyota GR Supra 3.0)

    This is definitely comforting to hear. Unfortunately however, when I turn the AC off, the sound persists for me. Thank you for your reply!
  10. High-Pitched Whine Coming From Engine Bay (2021 Toyota GR Supra 3.0)

    It probably is slightly modified, and those guesses are definitely pretty valid. And yeah you're right, I took another look at it today and the car does indeed idle at 700-800 RPM. For some reason I was under the impression that that it idled at 1.5k haha. Thanks for pointing that out and for...
  11. High-Pitched Whine Coming From Engine Bay (2021 Toyota GR Supra 3.0)

    Hi all, Just recently I noticed this high-pitched whine coming from my engine bay and I don't recall it being there when I first purchased the vehicle. I'm not sure if this sound is normal or not. The whine becomes more obvious around the halfway point of the video. It seems to be coming mostly...





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