Ford Truck Engine Idle High

I Have A 1998 Ford Ranger Xlt 4x4 With A 3.0l Eng. And A 5 Speed Manual Trans. Sometimes It Will Rev Up To 2500 To 3000 Rpm When I Push In...

I Am Having A Problem With High Idle. When First Starting The Motor It Idles High Like It Should But Then Goes Down To Just 1200 To 1300rpm...

I Have A 3208 V8 Diesel Cat Motor And A Ford L7000 Series Truck. When I Go Down The Road With A Load On It The Idle Grows High And Won't...