# Jeep Rough Idle

**URL:** <https://community.cartalk.com/t/jeep-rough-idle/24913>\
**Category:** Maintenance/Repairs\
**Created:** [January 14, 2009, 4:28pm UTC](https://community.cartalk.com/t/jeep-rough-idle/24913 "2009-01-14T16:28:27Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Tayers06](https://avatars.discourse-cdn.com/v4/letter/t/ccd318/32.png) [@Tayers06](https://community.cartalk.com/u/Tayers06)\
**Post date:** [January 14, 2009, 4:28pm UTC](https://community.cartalk.com/t/jeep-rough-idle/24913/1 "2009-01-14T16:28:27Z")

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I have a 98 V6 jeep grand cherokee that after starting idles rough and sputters. When I start driving I have to punch the gas at first to get it going, but after driving for about a mile the problem goes away. I am thinking it may be the fuel pressure regulator. Any thought?

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**Author:** ![mcparadise](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mcparadise/32/32_2.png) [@mcparadise](https://community.cartalk.com/u/mcparadise)\
**Post date:** [January 14, 2009, 5:27pm UTC](https://community.cartalk.com/t/jeep-rough-idle/24913/2 "2009-01-14T17:27:50Z")

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You can have the fuel pressure tested to see if the regulator is the problem. If the regulator is bad, however, how do you explain the fact that you have no problems once the engine starts to warm up?