# 2002 Ford F250 noise at idle

**URL:** <https://community.cartalk.com/t/2002-ford-f250-noise-at-idle/120956>\
**Category:** Maintenance/Repairs\
**Tags:** f250, ford\
**Created:** [July 13, 2018, 6:02pm UTC](https://community.cartalk.com/t/2002-ford-f250-noise-at-idle/120956 "2018-07-13T18:02:17Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![BillBillby](https://avatars.discourse-cdn.com/v4/letter/b/e495f1/32.png) [@BillBillby](https://community.cartalk.com/u/BillBillby)\
**Post date:** [July 13, 2018, 6:02pm UTC](https://community.cartalk.com/t/2002-ford-f250-noise-at-idle/120956/1 "2018-07-13T18:02:17Z")

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Truck 5.4 engine makes sound like low muffled horn at idle until rpm’s are increased. 300,000 plus miles.

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**Author:** ![db4690](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/db4690/32/2583_2.png) [@db4690](https://community.cartalk.com/u/db4690)\
**Post date:** [July 13, 2018, 6:57pm UTC](https://community.cartalk.com/t/2002-ford-f250-noise-at-idle/120956/2 "2018-07-13T18:57:52Z")

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could be a faulty idle air control valve causing this