Every time there is a stop light, the car vibrates and shakes unless I step on the gas a little bit. I'd love to fix this.
Buick Q&AAsk Your Question
2000 Buick LeSabre Question: Rough Idle. 1/8" gap between the throttle body and the upper intake manifold.
Answer #1Greg's Orange Auto (13255 Answers) , Orange, CA - (714) 361-9386globalhelper October 15, 2012, 12:19Master
seek a diag and est sounds like poss vac leak
Answer #2ziptie12 October 15, 2012, 22:06Master
You state 1/8" gap between throttle body and intake. Maybe I'm reading it wrong , but is the throttle body loose? Is the gasket gone? That would definitely cause problems.