Ford Expedition & F150s have a common problem. Usually it will be a collapsed vacuum hose. Other thing could be your idle control valve.
The 2002 Ford Expedition has 16 valves.
The 2002 Ford Expedition has a V8 engine.
The 2002 Ford Expedition is a gas-powered vehicle.
The 2002 Ford Expedition has a 4-speed automatic.
The 2002 Ford Expedition has a 19.1 degrees angle of departure.
The 2002 Ford Expedition has single overhead cam (SOHC).
The maximum payload of the 2002 Ford Expedition is 1532 lbs..
The curb weight of the 2002 Ford Expedition is 5468 lbs..
The height of the 2002 Ford Expedition is 6 ft. 4.5 in. (76.5 in.).
The 2002 Ford Expedition's turning circle is 40.4 ft..
The 2002 Ford Expedition is 17 ft. 1.8 in. (205.8 in.) long.
The 2002 Ford Expedition has a 22.3 degrees angle of approach.