# Engine Whistle

**URL:** <https://community.cartalk.com/t/engine-whistle/45795>\
**Category:** Maintenance/Repairs\
**Tags:** ford, f150\
**Created:** [March 9, 2010, 12:44pm UTC](https://community.cartalk.com/t/engine-whistle/45795 "2010-03-09T12:44:29Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![yennman](https://avatars.discourse-cdn.com/v4/letter/y/c2a13f/32.png) [@yennman](https://community.cartalk.com/u/yennman)\
**Post date:** [March 9, 2010, 12:44pm UTC](https://community.cartalk.com/t/engine-whistle/45795/1 "2010-03-09T12:44:29Z")

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The Triton V8 engine when it is say below 35 degrees outside, at times it will make a high pitch whistle sound when accelerating and will stop when I let up on the gas. What causes the whistle?

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**Author:** ![VDCdriver](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/vdcdriver/32/30_2.png) [@VDCdriver](https://community.cartalk.com/u/VDCdriver)\
**Post date:** [March 9, 2010, 1:03pm UTC](https://community.cartalk.com/t/engine-whistle/45795/2 "2010-03-09T13:03:49Z")

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Check the intake manifold to see if it is loose or has a defective gasket.