1997 Ford F250 SuperCab Logo
Posted on Feb 24, 2009
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My 1997 F250 has duel gas tanks. After a few days of being parked, I went to start it and it would not start. I switched to the rear tank and it started. I have a Haynes repair manual covering the 1997 F250 and it mentions nothing about duel tanks. I can hear the fuel pump priming when I turn the ignition key but only if the rear tank is selected. I am guessing it is an electrical problem but the repair manual has nothing about duel gas tanks at all - not even the electrical diagrams shows the information. I either need someone to tell me of a repair manual that actually covers the vehicle comprehensively (Haynes does not do that) or someone on here to explain where I should start troubleshooting the problem. All the fuses have been checked except some of the fusible links. Not sure where any relay switch is or even if there is one for switching tanks as the gimpy Haynes repair manual fails to say anything at all about duel gas-tanks. Thanks for any replies.

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Stan Ford

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Check for battery voltage at the pump if ok replace pump. If no voltage check fuses and relay if ok check for broken wire or bad connection.

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I would start by checking you switch for the tanks to make sure it is working right and if the front tanks fuel pump does not work after you check the switch I would get a 12 volt electrical test light and see if your getting power to the front fuel pump if your getting power to it I would say you have a bad pump . But some times the pump will run but the diaphragm gets weak in them.

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