why can't I switch from front fuel tank to rear fuel tank?

Asked by Aug 13, 2013 at 02:55 PM about the 1991 Ford F-250 2 Dr XLT Lariat 4WD Extended Cab LB

Question type: Maintenance & Repair

won't switch from front fuel tank to rear fuel tank.

4 Answers

24,205

Typically, the selector valve on the frame just below the driver's seat has failed. I've been looking for a good aftermarket replacement for my '87 F-250 some time now but fear that I will have to bite the bullet and change out all of the OEM stuff - wiring and all.

4 of 4 people found this helpful.
92,685

AC Delco # U7001 O'Rielys web site I hope that it the one you are looking for.

3 of 3 people found this helpful.
145

If it's diesel, it could the selector valve, the fuse or the switch on the dash. If gas, could be the fuel pump/sending unit.

1 of 1 people found this helpful.

Need wiring for 1989 Ford F-150 duel fuel please help

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