Ford F 150 Dual Tank Fuel System Diagram. 1990 f 150 50 dual tanks fuel pump issues. A ford equiped with dual tanks this year model has check valves in the fuel pumps the fuel runs from the rear tank when it is powered on to a tee and into the same line as the front pump.
The ford computer was flashed to communicate with the gfi compuvalve. Fuel tank issues 96 f150 dual tanks ford f150 forum. A ford equiped with dual tanks this year model has check valves in the fuel pumps the fuel runs from the rear tank when it is powered on to a tee and into the same line as the front pump.
The problem is at the bottom of the front fuel pump there is a check valve on the foot and it is not workingwhile the truck is running with the.
F150 dual fuel tank diagram center wiring diagram belt detail belt detailiosonointersexit. The previous owner jimmy rigged the dual tanks and only hooked up the front so i bought fuel injection fuel line to hook both the tanks up again i. The wiring diagram illustrations in this article cover only. Fuel pump wiring diagram 1993 1995 ford f150 f250 f350.