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Toyota Service
Toyota Service, Toyota Expert
Category: Toyota
Satisfied Customers: 4605
Experience:  30+ Yrs of auto experience, Award Winning Svc. Manager; Just Answer Customer's Choice Award Winner
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Whistle noise comes out from engine JA: Thanks. Can you give

Customer Question

whistle noise comes out from engine
JA: Thanks. Can you give me any more details about your issue?
Customer: 2007 Scion tc idle speed or accelerating
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Submitted: 8 months ago.
Category: Toyota
Expert:  Toyota Service replied 8 months ago.
Hello. Welcome to Just Answer. Please allow me to assist you. Most often, a whistle noise coming form the engine is a leaking exhaust manifold gasket, a leaking front exhaust pipe gasket or a crack in the front exhaust pipe. An easy way to check this would be to take an old towel and have someone hold it over the opening on the tailpipe while you listen to the engine. The blocking off of the tailpipe exit will cause the exhaust pressure to back up into the the engine area, allowing the noise to be more magnified. After determining exactly where the noise is coming from is prudent before attempting any repairs.
Expert:  Toyota Service replied 8 months ago.
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