February 5, 201115 yr After starting up with a cold engine, the idling speed on my 2000 Legacy wagon will surge to 3k RPM. It'll drop back down if I goose the gas pedal. Any adjustments that I can easily make at my end to eliminate the too fast cold idle? There's no snow and ice here, just temps ranging from 35° F - 65° F.
February 5, 201115 yr Sounds like a dirty idle air controller I had the same issue here until I cleaned mine.. If you do go that way make sure you have a new gasket on hand.
February 6, 201115 yr Author Sounds like a dirty idle air controller I had the same issue here until I cleaned mine.. If you do go that way make sure you have a new gasket on hand. Do you or anyone have a photo or drawing showing where the idle air controller is located?
February 6, 201115 yr Just follow the small air hose coming from the intake ducting. It goes right to the IAC.
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