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You may need to replace your idle air control it is near the throttle bottle maybe on the right side kind of under the throttle body it will have a wire that you need to disconect if you want to see a picture go to autozone. com and look it up then look for it where it said its an 86 so it may be worn take itvout clean it off it will be black just wipe it clean but don't spaybitvwithcwster because itvis an electric part hints the wire if that isn't it look at the mass airflow sensor a new one runs about $215.00 good luck

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12y ago
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16y ago

Perhaps throttle plate stuck in the open positon

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10y ago

A vacuum leak can do that.

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Q: Why is my 1993 Oldsmobile 98 and its idle real high?
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