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3500HD 7.4L Dual Tanks, engine quits on freeway


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:ughdance: I have a 1997 Chevy 3500HD with a 7.4L Vortec. The truck has two fuel tanks. the symptoms are that after about 100 miles of highway travel the tank with the level guage reads empty and the truck shuts off at any speed!?!?!? The second tank has fuel in it but the fuel transfer pump has apparently failed... Or the fuel transfer pump level detector has failed.... It's no the relay because we swaped that with the AC unit relay and the AC still works fine. Anyone know how and where I can this correctly diagnosed and repaired? We'd be glad to do it ourselves if someone had seen this before and had an idea of what the next step should be... Thanks in advance for your input. :bs:

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