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  1. 11th gen SI buzzing sound

    Definitely make an appointment and make them fix it. It's gotten much worse with the hot weather, but I dont feel like pulling the whole exhaust lol. If the dealer can figure it out, please let me know!
  2. 11th gen SI buzzing sound

    Mine doesnt make it at all when I first drive the car on a cold start. After about 10 minutes of driving it kicks in all of a sudden and makes the noise around 2500 RPM. That's what leads me to believe its the heat shield - as it warms up it starts vibrating. I'm not sure if you have any mods...
  3. 11th gen SI buzzing sound

    I haven't 100% nailed it down. I can rule out the fuel pump however. Ktuner data shows normal short and long fuel trims. I've taken off and re-tightened every bolt-on to no avail. I'm fairly certain at this point that it's the exhaust or the heat shield on the cat that's loose or something. I...
  4. 11th gen SI buzzing sound

    Does yours sound like it's coming from the rear? Mine sounds like it's coming from the engine bay, buy I could be wrong.
  5. 11th gen SI buzzing sound

    I've had this buzzing sound for a while now, but recently it's gotten a lot worse. Happens when the engine is warm and doesn't matter if I'm on or off the throttle. I've also been able to recreate the sound in neutral revving the engine - just can't figure out where it's coming from. Only...




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