Question about Ford F-150
I have had the exact problem on my ford truck, and fixed it. There is a tank feed shuttle valve mounted to the drivers side frame rail that is the most likely suspect. It operates by fuel pressure and when it fails, it fails so the front tank doesnt work.
It is worth mentioning that there are three fuel pumps on your truck, each fuel tank has a small low pressure pump inside the tank, and there is a high pressure pump located on the drivers side frame rail too, just before the fuel filter.
The front in the tank pump could be bad, too, but most likely the shuttle valve is the problem.
Posted on Oct 13, 2010
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Posted on Jan 02, 2017
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