Ford Ranger MAP Sensor

Engine Surges When Driving In Any Gear At Less Than 2000 Rpm. No Surge After Reaching 2000 Rpm. Dealer Diagnostics Do Not Indicate...

Changed Everything We Could Think Of. The Truck Sometimes Cranks Up And Runs Smoothly Then After It Warms Up A Little It Starts Idling Rough...

Does My Engine Have 2 O2 Sensors And A Map Sensor? What Is The Best Place To Get Info For Location And How To Replace

Can A Backyard Mechanic Like Myself Replace A Map Sensor On An 1989 Ford Ranger With A V-6? The Dealer Wants Almost $300.00 To Do The Job...