you need to drop tank fuel pump is in tank
Chainsaw
The engine is 4.2L v6 and the fuel Economy is 15/18 mg
Take it to the Ford house so they can screw you even more.
What is the fuel capacity on a Ford F150
Inside the fuel tank under the truck along side of the frame on the drivers side
In the right front passenger footwell , by or behind the kick panel
In the front passenger footwell , behind the kick panel
with blinker fluid
The 1998 Ford F150 owners manual shows it as being in the right front passengers footwell , behind the kick panel
You must drop the fuel tank or slide the bed back far enough to access the pump.
1997 ford f150 fuel pressure specs
There are images available online to help you see where the Fuel reset switch on a 1986 Ford F150 is.