2000 Buick LeSabre Q&A
2000 Buick LeSabre Question: Rough Idle. 1/8" gap between the throttle body and the upper intake manifold.
seek a diag and est sounds like poss vac leak - globalhelper
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. - ziptie12