I had this issue with my 1997 Ford F-350 with the 7.3 powerstroke. These trucks come with a dual fuel tank, and as most have found, the selector valve is the weak point of this system. When I hit my ...

The valve comes with detents for manual operation with a knob or, alternatively, without detents for automatic operation with a servo or stepper motor. Nonselected ports vent to atmosphere. In an ...