1991 f150 lariet 4x4 dual tanks - do i have an external fuel pump or not?

Asked by Feb 28, 2015 at 01:41 PM about the 1991 Ford F-150 XLT Lariat 4WD Extended Cab LB

Question type: Maintenance & Repair

pretty sure my fuel pump is out.

4 Answers


Both tank,s have internal pump,s.

1 of 1 people found this helpful.

First check the fuel filter,then the pump,s.

1 of 1 people found this helpful.

Both of them should not go out at same time,could be the fuel selector has gone bad,or the tank switch.

2 of 2 people found this helpful.

well that is better news then having to replace the fuel pumps, thanks for quick helpful advice.

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