# 1999 ford explorer wont stay running unless i keep my foot on the gas

**URL:** <https://community.cartalk.com/t/1999-ford-explorer-wont-stay-running-unless-i-keep-my-foot-on-the-gas/56368>\
**Category:** Maintenance/Repairs\
**Tags:** explorer, ford\
**Created:** [October 14, 2010, 5:58pm UTC](https://community.cartalk.com/t/1999-ford-explorer-wont-stay-running-unless-i-keep-my-foot-on-the-gas/56368 "2010-10-14T17:58:19Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![taz1012](https://avatars.discourse-cdn.com/v4/letter/t/9de0a6/32.png) [@taz1012](https://community.cartalk.com/u/taz1012)\
**Post date:** [October 14, 2010, 5:58pm UTC](https://community.cartalk.com/t/1999-ford-explorer-wont-stay-running-unless-i-keep-my-foot-on-the-gas/56368/1 "2010-10-14T17:58:19Z")

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i have a 1999 ford explorer that wont stay running unless i keep my foot on the gas i have replaced the fuel pump, the fuel relay and the fuel filter

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**Author:** ![tardis](https://avatars.discourse-cdn.com/v4/letter/t/f0a364/32.png) [@tardis](https://community.cartalk.com/u/tardis)\
**Post date:** [October 14, 2010, 6:08pm UTC](https://community.cartalk.com/t/1999-ford-explorer-wont-stay-running-unless-i-keep-my-foot-on-the-gas/56368/2 "2010-10-14T18:08:58Z")

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It’s almost certainly the idle air bypass valve (aka IAC). They get gunked up and stick in the closed position. The replacement parts have a design change that should prevent them from sticking closed.