My husband and I recently purchased a used F-150 with about 130k miles
in immaculate condition. It has been a great truck up until about a
week ago. It has dual gas tanks and it appears the front tank is losing
fuel from somewhere. There are NO visible leaks, but he had put $22 in
it and by the time he got home after driving to and from work (not very
far) he was on empty. This does not seem to be the case in the rear
tank. A mechanic friend of ours put it on his computer and no codes
came up but he didn't have any other ideas. Any help would be
appreciated as gas is tooo expensive to be losing it that quick.
I'm not sure of the partriculars, but there is a common problem with the fuel
valving that will pull fuel from one tank, supply it to the motor, and return it
into the other tank. You'll find your missing fuel in the other tank. Be careful
this can cause the "receiving" tank to overflow.
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