# 02 buick rendevous/rpms racing

**URL:** <https://community.cartalk.com/t/02-buick-rendevous-rpms-racing/37863>\
**Category:** Maintenance/Repairs\
**Tags:** rendezvous, buick\
**Created:** [October 10, 2009, 12:37pm UTC](https://community.cartalk.com/t/02-buick-rendevous-rpms-racing/37863 "2009-10-10T12:37:22Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![mjsart](https://avatars.discourse-cdn.com/v4/letter/m/71e660/32.png) [@mjsart](https://community.cartalk.com/u/mjsart)\
**Post date:** [October 10, 2009, 12:37pm UTC](https://community.cartalk.com/t/02-buick-rendevous-rpms-racing/37863/1 "2009-10-10T12:37:22Z")

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My rpms keep going up and down without giving gas. When i put it in park the rpms go up to over 2000. Now I shut the car off before putting it in park.

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**Author:** ![the\_same\_mountainbike](https://avatars.discourse-cdn.com/v4/letter/t/c89c15/32.png) [@the\_same\_mountainbike](https://community.cartalk.com/u/the_same_mountainbike)\
**Post date:** [October 10, 2009, 12:43pm UTC](https://community.cartalk.com/t/02-buick-rendevous-rpms-racing/37863/2 "2009-10-10T12:43:05Z")

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Probably the IAC motor or valve.

A Haynes manual should help you here.

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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:** [October 10, 2009, 1:07pm UTC](https://community.cartalk.com/t/02-buick-rendevous-rpms-racing/37863/3 "2009-10-10T13:07:42Z")

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I am in agreement with mountainbike.  
Have your mechanic focus on the IAC and he will probably find the source of the problem.

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**Author:** ![mjsart](https://avatars.discourse-cdn.com/v4/letter/m/71e660/32.png) [@mjsart](https://community.cartalk.com/u/mjsart)\
**Post date:** [October 21, 2009, 4:09pm UTC](https://community.cartalk.com/t/02-buick-rendevous-rpms-racing/37863/4 "2009-10-21T16:09:40Z")

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Finally got it fixed today. It was the TPS. Throttle Position Sensor

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**Author:** ![mjsart](https://avatars.discourse-cdn.com/v4/letter/m/71e660/32.png) [@mjsart](https://community.cartalk.com/u/mjsart)\
**Post date:** [October 21, 2009, 4:17pm UTC](https://community.cartalk.com/t/02-buick-rendevous-rpms-racing/37863/5 "2009-10-21T16:17:34Z")

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It was the TPS. Throttle Position Sensor