GMC Safari Engine Idle High

Only Happens Shortly After Cold Start When Going Up A Good Grade

My Gmc Safari Has Recently Taken A Dip In A Water Filled Ditch And After Changing All The Fliuds ,plugs And Wires And The Converter It Still...

While My Car Is Parked It Idle Too High.

Engine Mechanical Problem 1990 Gmc Safari 6 Cyl Two Wheel Drive Automatic Unknow Miles I Changed Tps Sensor Still Idle High Can The Iac...