# 2008 Pontiac G8 - Hisses in cold

**URL:** <https://community.cartalk.com/t/2008-pontiac-g8-hisses-in-cold/127765>\
**Category:** Maintenance/Repairs\
**Tags:** pontiac\
**Created:** [October 29, 2018, 11:32am UTC](https://community.cartalk.com/t/2008-pontiac-g8-hisses-in-cold/127765 "2018-10-29T11:32:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![susanThorne](https://avatars.discourse-cdn.com/v4/letter/s/a9a28c/32.png) [@susanThorne](https://community.cartalk.com/u/susanThorne)\
**Post date:** [October 29, 2018, 11:32am UTC](https://community.cartalk.com/t/2008-pontiac-g8-hisses-in-cold/127765/1 "2018-10-29T11:32:42Z")

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missing sound when starting when cold outside

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**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\
**Post date:** [October 29, 2018, 12:34pm UTC](https://community.cartalk.com/t/2008-pontiac-g8-hisses-in-cold/127765/2 "2018-10-29T12:34:32Z")

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Is the check engine light on? Has the exhaust been replaced for a sporty one? How many miles on it?