# 2007 Buick LaCrosse - Loss of power light

**URL:** <https://community.cartalk.com/t/2007-buick-lacrosse-loss-of-power-light/179514>\
**Category:** Maintenance/Repairs\
**Tags:** buick\
**Created:** [September 21, 2021, 9:58pm UTC](https://community.cartalk.com/t/2007-buick-lacrosse-loss-of-power-light/179514 "2021-09-21T21:58:23Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Marypeavy](https://avatars.discourse-cdn.com/v4/letter/m/9fc29f/32.png) [@Marypeavy](https://community.cartalk.com/u/Marypeavy)\
**Post date:** [September 21, 2021, 9:58pm UTC](https://community.cartalk.com/t/2007-buick-lacrosse-loss-of-power-light/179514/1 "2021-09-21T21:58:23Z")

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Loss of power light comes along with with tc light

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**Author:** ![weekend-warrior](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/weekend-warrior/32/26122_2.png) [@weekend-warrior](https://community.cartalk.com/u/weekend-warrior)\
**Post date:** [September 21, 2021, 10:11pm UTC](https://community.cartalk.com/t/2007-buick-lacrosse-loss-of-power-light/179514/2 "2021-09-21T22:11:05Z")

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it could be a dirty throttle body or a faulty throttle position sensor which is attached to the throttle body.

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**Author:** ![weekend-warrior](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/weekend-warrior/32/26122_2.png) [@weekend-warrior](https://community.cartalk.com/u/weekend-warrior)\
**Post date:** [September 21, 2021, 10:15pm UTC](https://community.cartalk.com/t/2007-buick-lacrosse-loss-of-power-light/179514/3 "2021-09-21T22:15:26Z")

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[How to fix Reduced Engine Power and Service Traction Control on GM Chevy Pontiac Buick - YouTube](https://www.youtube.com/watch?v=3Iz7OO0sKiw)