Go to rear pump, disconnect wiring harness and connect power to it directly. If pump runs, you may have bad wiring or the hoses/filter may be clogged. If it doesn't run, you have a bad pump. I
SOURCE: F-250 FUEL PROBLEM
Hi, My brothers 250 had the same problem and is now fixed.The fuel pump in each tank has a check valve that allows the fuel to run in one direction only. When this valve fails to close fuel runs into that tank when the other pump is running. We replaced the pump and all is well. Dan
SOURCE: Fuel Tanks reversed , Gauge not reading?
The Ford trucks were recalled for the tank switch replacement. Somehow the switches would pump fuel from one tank to the other. This would cause the one tank to overflow and or result in a fire from hot exhaust temps coming into contact with the fuel. Check the dash tank switch. It is probably bad.
SOURCE: 1986 F150: Rear gas tank results in engine sputtering/dies
i think u have a bad fuel pump, switching unit does nothing but not allow fuel to be pumped from tank to tank, for example if useing rear tank lets feul flow to engine not iti nto frt tank,when it goes bad you will see gas flowing out of frt tank because its pumping into tank from rear tank,good luck.check fuel preasure w rear tank is on.
Testimonial: "Thanks for the response. I checked w/the Ford dealr parts guy who said each tank pumps directly 2 engine. Not sure how it works on other trucks tho."
SOURCE: my 1994 f250 will not start when the fuel tank
the problem is the fuel pump inside the front tank is defective, it is not a fuel filter, the fuel from both tanks fuel pumps runs through the same filter
Testimonial: "Thank you..i was hoping for the easy fix..i appreciate your help sir! "
SOURCE: I have a 1988 Ford F250 with the 460 engine and
The fuel pump relay and the oil pressure switch as well. The oil pressure switch runs power to the fuel pump when you first start it
When the oil pressure reaches operating range the relay takes over
They are both inexpensive so replace both of these parts to be safe and kill two birds with one stone. If one goes out the other will soon enough
22 views
Usually answered in minutes!
×