You cannot repair the pump when it fails. Normally the diaphragm will bust. You must replace it.
Take it to a repair shop.
A person can get the fuel line diagram from the maintenance manual of the 2004 Ford Expedition. It can also be found in the repair manual for this car.
Replace it with a new cap. Do not attempt to repair the broken one.
According to my Chilton's Auto Repair manual : A 1970 Ford Mustang has a ( 22 U.S. gallon fuel tank )
Generally those old engines would run between 4 and 7 pounds of fuel pressure.
In a chiltons auto repair manual. You can get at your local library
David Cadden has written: 'Ford fuel injection systems' -- subject(s): Ford automobile, Fuel injection systems, Handbooks, manuals, Maintenance and repair, Motors 'General Motors Fuel Injection Systems'
A 1989 Ford Escort would not be getting fuel if the fuel pump has failed or the filter is clogged. A local mechanic or dealership can diagnose and repair the problem.
Don't, just refill tank ever 250 miles
According to my Chilton's Auto Repair Manual : For a 1988 Ford Crown Victoria : ( 20.0 U.S. gallons )
According to my Chilton repair manual , fuse # 16 is a 15 amp fuse for the fuel gauge on a 1994 Ford Ranger
( Fuse # 17 ) is a 15 amp fuse for the fuel gauge on a 1993 Ford Explorer according to my Chilton repair manual