Question about 1990 Ford F150
Mines doing bout the same i can fill front tank up and gas gauge drops fast. figured out thats its not just the 12 mpgs its going into rear i just run switch back to rear when front tank gets low common issue with the daul tank setup on older fords mines a 90 model
Posted on Dec 29, 2011
It sounds like the switching valve is no good and needs replacing.you can clamp off the fuel hose to the rear tank and just run off the front tank until you can get it repaired.
Posted on Apr 10, 2011
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Posted on Jan 02, 2017
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