Rough Idle. 1/8" gap between the throttle body and the upper intake manifold. on 2000 Buick LeSabre

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.

by in Canal Winchester, OH on October 15, 2012
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2 answers
ANSWER by , October 15, 2012
seek a diag and est sounds like poss vac leak
ANSWER by , October 15, 2012
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.