Quote:
Originally Posted by GaryC
Definitely not coming through speakers. My first thought!
People always talk about the intake boot and DISA, but both replaced. Also have a new alternator and sound was there before that was replaced.
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There are a dozen speakers. Are you positive? Pull the fuse, that's the only way to be positive. Also: use an app on your phone to measure the sound.
I use an app:
https://apps.apple.com/us/app/fft/id298840058
For many troubleshooting jobs, this one is not cheap if I remember but it's paid for itself many times over!
Take a scan and pan around the car, there will be distinct peaks you can track
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