1989 Ranger power issues

I Have a 1989 ford ranger idiles fine as soon as i put a load on it dies changed fuel pump, fuel filter,spark plugs.disturpter cap, pickup coil ,plug wires,throttle poistion senser,,map sensor ignition modual ,coil and it still is not running right need help.t.

I Have a 1989 ford ranger idiles fine as soon as i put a load on it dies changed fuel pump, fuel filter,spark plugs.disturpter cap, pickup coil ,plug wires,throttle poistion senser,,map sensor ignition modual ,coil and it still is not running right need help.t.

Do you have a CEL present? My first though would be to the run the codes before replacing stuff.

http://www.troublecodes.net/Ford

Pete