# 1999 Ford F150 - idle speed question

**URL:** <https://community.cartalk.com/t/1999-ford-f150-idle-speed-question/116121>\
**Category:** Maintenance/Repairs\
**Tags:** ford, f150\
**Created:** [April 22, 2018, 10:33pm UTC](https://community.cartalk.com/t/1999-ford-f150-idle-speed-question/116121 "2018-04-22T22:33:17Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![wayne15](https://avatars.discourse-cdn.com/v4/letter/w/eb8c5e/32.png) [@wayne15](https://community.cartalk.com/u/wayne15)\
**Post date:** [April 22, 2018, 10:33pm UTC](https://community.cartalk.com/t/1999-ford-f150-idle-speed-question/116121/1 "2018-04-22T22:33:17Z")

</div>

hey, I have a ford F150 1999. sometimes it idles high and sometimes not what could be the problem?

---

<div class="post-metadata">

**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:** [April 22, 2018, 10:46pm UTC](https://community.cartalk.com/t/1999-ford-f150-idle-speed-question/116121/2 "2018-04-22T22:46:17Z")

</div>

Could be a faulty idle air control valve