If you have a carburetor, there should be a throttle adjustment screw right next to where the throttle cable connects.
Additionally, if you have a carburetor on an F250, the truck is likely a 1987 or older. Not absolutely certain, but I believe Ford has been putting fuel injection on all models since at least then.
How to replace spedo cable f250
on the bottom of the throttle body
A fuel bowl is usually used to desbribe the part of a carburetor where the floats are and a 2008 f250 is fuel injected, not carberated
the THING under a carburettor is the inlet manifold
On the Gas petal inside the vechile.
it is none adjustable
Perhaps the throttle plate is stuck - try to free with a screwdriver
I Would say the choke on your one barrel carburetor is sticking Start the engine. Let the engine reach operating temperature.Remove your Air cleaner to your Carburetor while the engine is running.Look down the throat of the carburetor and you will see a round flap A.K.A the butterfly.This flap should be completely open when the engine is at operating temperature open so that the air can pass through the throat of the carburetor freely. If you don't understand how a choke works go to howstuffworks and ask how a carburetor choke works and it will all make since.
Check for a loose ground cable
Run the truck backwards to about 10 Mph, hit you brakes very hard. This will adjust your brakes in general.
It is located on top of the intake in a flat vertical position
yes push hood release cable from bracket and pull on it