Squeal after cold start
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Junior Member
Joined: Nov 2018
Posts: 1
Squeal after cold start
I own a 2019 Mustang Bullitt with only 300 miles. Recently started hearing a squeal 2-3 seconds after I start my car only when cold. It last anywhere from 7-15 seconds. Idles and runs fine. If car was older, I would say belt or tensioner. Don’t know what it could be. Could the fuel pressure regulator on the engine make a squealing noise? Took it to the dealer and they could not duplicate. Strange as my wife and I both hear it when we start the car inside our garage. I don’t use the car often sometimes 3-4 days between starts. Any thoughts would be appreciated,
Senior Member
Joined: Jun 2010
Posts: 16,528
If your vehicle has a turbo, have someone check all the hose connections going to the intercooler and on down to the intake of the engine. Sometimes a loose hose can squeal when air pressure blows through it when cold.
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searchlight4759
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Jan 12, 2012 10:41 AM