# Hard start, rough running after fillup

**URL:** <https://community.cartalk.com/t/hard-start-rough-running-after-fillup/41070>\
**Category:** Maintenance/Repairs\
**Tags:** audi, a6, start\
**Created:** [December 21, 2009, 2:20am UTC](https://community.cartalk.com/t/hard-start-rough-running-after-fillup/41070 "2009-12-21T02:20:45Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![veedubfan](https://avatars.discourse-cdn.com/v4/letter/v/f0a364/32.png) [@veedubfan](https://community.cartalk.com/u/veedubfan)\
**Post date:** [December 21, 2009, 2:20am UTC](https://community.cartalk.com/t/hard-start-rough-running-after-fillup/41070/1 "2009-12-21T02:20:45Z")

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I have a 2000 Audi A6 that is hard to star and runs rough for about 1 minute only after filling up with gas. If I just open the gas cap it does not happen. I have replaced fuel pressure regulator, no change.

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**Author:** ![oldtimer-11](https://avatars.discourse-cdn.com/v4/letter/o/e79b87/32.png) [@oldtimer-11](https://community.cartalk.com/u/oldtimer-11)\
**Post date:** [December 21, 2009, 5:56am UTC](https://community.cartalk.com/t/hard-start-rough-running-after-fillup/41070/2 "2009-12-21T05:56:03Z")

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Stop pumping in gas after the pump kicks off the first time and see if that helps.