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I have a 92 Ford F-150, 5.o v-8, with double gas tanks. Several times it has died either while driving or won't start once you have turned it off, but after several hours it would turn on. Now it won't even turn on. When you turn the ignition to the start position without actually starting it, you can't hear the fuel pump hum. We have replaced the coil, the fuel pump relay fuse, the fuel pump in the middle and have checked all other fuses plus the inertia switch, which seems to be working. We are at our wits end. What should we check now?
When trucks have two gas tanks, each has a fuel pump and both pumps must be replaced at the same time. Ford designed the system so that one pump is dependent upon the other for proper function of the entire system. Also, there is no selector valve between the two tanks. |
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