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On the side of the intake manifold, near where the rubber intake hose connects to the throttle body, there is a screw. It is about a half inch in diameter, regular blade. On the 4 cylinder it will be pointed up, on the v6 it will be pointed toward the front of the car. Turn it in to slow down and out to speed up. On another note the entire system works together and if you have a dirty air cleaner or fuel filter they can contribute to an idle problem. Check these before you make any adjustments.
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