# 2011 Chevrolet Cruze - scary sputter at idle

**URL:** <https://community.cartalk.com/t/2011-chevrolet-cruze-scary-sputter-at-idle/160581>\
**Category:** Maintenance/Repairs\
**Tags:** chevrolet, cruze\
**Created:** [March 8, 2020, 10:30pm UTC](https://community.cartalk.com/t/2011-chevrolet-cruze-scary-sputter-at-idle/160581 "2020-03-08T22:30:08Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![feliciahurrell](https://avatars.discourse-cdn.com/v4/letter/f/c68b51/32.png) [@feliciahurrell](https://community.cartalk.com/u/feliciahurrell)\
**Post date:** [March 8, 2020, 10:30pm UTC](https://community.cartalk.com/t/2011-chevrolet-cruze-scary-sputter-at-idle/160581/1 "2020-03-08T22:30:08Z")

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while idling at traffic light it gives a sputter like it is lurching forward, very noticeable scares the crap out of me…please help diagnostic states that nothing is wrong electronically.

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**Author:** ![VDCdriver](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/vdcdriver/32/30_2.png) [@VDCdriver](https://community.cartalk.com/u/VDCdriver)\
**Post date:** [March 9, 2020, 1:32pm UTC](https://community.cartalk.com/t/2011-chevrolet-cruze-scary-sputter-at-idle/160581/2 "2020-03-09T13:32:07Z")

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Only a hands-on examination by a qualified mechanic could tell you for sure, but this sounds to me like a bad/dirty Idle Air Control (IAC).

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**Author:** ![COROLLAGUY1](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/corollaguy1/32/7575_2.png) [@COROLLAGUY1](https://community.cartalk.com/u/COROLLAGUY1)\
**Post date:** [March 9, 2020, 1:44pm UTC](https://community.cartalk.com/t/2011-chevrolet-cruze-scary-sputter-at-idle/160581/3 "2020-03-09T13:44:45Z")

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The a/c compressor is probably kicking in when this happens.Turn the a/c off and see if it changes anything.

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**Author:** ![VOLVO-V70](https://avatars.discourse-cdn.com/v4/letter/v/8e8cbc/32.png) [@VOLVO-V70](https://community.cartalk.com/u/VOLVO-V70)\
**Post date:** [March 9, 2020, 1:46pm UTC](https://community.cartalk.com/t/2011-chevrolet-cruze-scary-sputter-at-idle/160581/4 "2020-03-09T13:46:06Z")

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I wonder who or what this diagnostic was done by.