Question about 1993 Acura Legend

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While stopped at lights etc.. my car surges and

While stopped at lights etc.. my car surges and the rmps jump up and down. When I turn off the a/c the problem stops all together.

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The idle adjustment screw in throttle body has carbon build up on its tip.need to remove screw clean depoisits off tip,carbon in idlescrew port(with carb clean) re-install idle screw,seat it,then back out 1 1/2 turns.start car and hold at higher idle to blow out carb. clean &deposits out of throttle body then recheck for surging once warmed up.

Posted on Oct 08, 2009

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Posted on Jan 02, 2017

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