The idle control valve needs to be replaced. It's mounted behind the throttle body. Just replaced mine to fix same problem. Cost $65.00 at auto parts store.
The 2004 Ford Excursion wheelbase is ( 137 inches )
they are one and the same
2005 was the last model year for the Ford Excursion
( The 2000 ) was the first model year of the Ford Excursion
If your 1976 Ford with 360 won't idle, check to ensure the air filter and fuel filter are free from debris. This can also indicate a problem with the carburetor.
how do i drop the fuel tank on a FORD EXCURSION 5.4L
Ford
There are ( 2 ) valve covers on the engine in a Ford Excursion V8 engine
For a 2000 Ford Excursion : ( 166.6 litres / 44.0 U.S. gallons )
According to the 2004 Ford Excursion Owner Guide ( 226.7 inches long )
A 2005 Ford Excursion has a 44 U.S. gallon tank ( 166.4 liters )
On a 2004 Ford Excursion : ( 166.6 liters / 44.0 U.S. gallons )