# 1991 Buick Century runs rough

**URL:** <https://community.cartalk.com/t/1991-buick-century-runs-rough/25799>\
**Category:** Maintenance/Repairs\
**Created:** [January 30, 2009, 8:11pm UTC](https://community.cartalk.com/t/1991-buick-century-runs-rough/25799 "2009-01-30T20:11:06Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![donna\_manze](https://avatars.discourse-cdn.com/v4/letter/d/71e660/32.png) [@donna\_manze](https://community.cartalk.com/u/donna_manze)\
**Post date:** [January 30, 2009, 8:11pm UTC](https://community.cartalk.com/t/1991-buick-century-runs-rough/25799/1 "2009-01-30T20:11:06Z")

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This car is well maintained an has about 75000 miles on it. It occasonally will buck on some climbs. When this first started, I’ve been adding gas line defreezer on fill ups.

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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:** [January 30, 2009, 11:11pm UTC](https://community.cartalk.com/t/1991-buick-century-runs-rough/25799/2 "2009-01-30T23:11:30Z")

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When was the last time you did a full tuneup?

We’re talking about an 18 year old car here. Start with the basics and if that doesn’t work post back. We’ll introduce you to the world of leaky old vacuum lines.