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 ...

Trucks with dual fuel tanks are a thing of the past, but their memory remains. There was a time when solving bad fuel economy didn’t mean building a better engine. It meant just adding another tank.