1990 F150 fuel system

Asked by Jacob Aug 13, 2014 at 03:00 PM about the 1990 Ford F-150

Question type: Maintenance & Repair

Front fuel tank is bleeding into the rear fuel tank and creating a pressure on the rear tank and is blowing gas on to the ground. I need to know why it is doing this and also how to repair it. If the problem is the fuel tank switch valve where is it located and please list other possible reason or solutions.

1 Answer
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Andrew answered 9 years ago

its the selector valve, its between the tanks on the frame rail

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