My 2000 mustang GT started to make a loud whistle type of noise from the engine. So loud, I thought it was a police siren. It actually had two tones of whistle noise at the same time. It would only do

Asked by Jan 13, 2015 at 11:02 AM about the 2000 Ford Mustang GT

Question type: Maintenance & Repair

It at about 2000rpm. The engine wasn't
cold. It stopped doing it after sitting and
reving it up for about 5 min. It was a sound
I've never heard before. Didn't sound like a
belt at all. Any ideas? Btw..my car has
280000 mi on it. BUT, I've taken good care
of it. Had many things replaced and it still
runs awesome...I appreciate any
suggestions.

3 Answers

675

If it does it again pop your hood and locate the issue. Only thing I can think of is the belt. Also, I would not sit there and rev and engine when an odd noise is present for 5 mins.

I did pop the hood and I had to rev the engine to try and figure out where the noise came from because it didn't make it just idiling. Above 2000 rpm's it would stop. I drove it hm after the noise stopped and it ran fine and hasn't been doing it since. I'm sure some things going out but its hard to tell now that the noise has stopped.

10

Vacuum leak?

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