October 12, 200520 yr How do i increase my idle speed? its ony at 450+/-. When i thought it should be around 700.
October 12, 200520 yr Unplug the idle air controller, then adjust the air screw (on the throttle body next to the IAC) until it idles around 500 rpm. Plug the IAC back in and go. Actually, your IAC may not be functioning. Does the engine idle faster when it's cold, or does it always idle at the same speed? If the speed does not fluctuate, the IAC may be faulty or gummed up.
October 12, 200520 yr Author Unplug the idle air controller, then adjust the air screw (on the throttle body next to the IAC) until it idles around 500 rpm. Plug the IAC back in and go. Actually, your IAC may not be functioning. Does the engine idle faster when it's cold, or does it always idle at the same speed? If the speed does not fluctuate, the IAC may be faulty or gummed up. when its cool its at about 2100+/-
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