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GM products do not have a fuel pump shut off like Ford and others, the fuel pump is shut off if the oil pressure drops below 5 PSI with the key in engine run position.GM products do not have a fuel pump shut off like Ford and others, the fuel pump is shut off if the oil pressure drops below 5 PSI with the key in engine run position.
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I would replace the fuel pump and the fuel pump connector, both have problems in this year that cause excessive current draw and blow the fuse and overheat the system. If the relay socket terminals are discolored from heat that must be replaced as well. Of course before replacing any parts have a GM dealer confirm the problems i have guessed are to the cause.
Try A SMALL SHOT Of Starting Fluid Sprayed into the Snorkel
Intake @ Air filter. If it Starts and Does NOT Run After Burning Starting Fluid the Fuel Pump Has Failed. (My Personal Hunch) is (FUEL PUMP FAILURE) BE SURE TO ELIMINATE THE INERCIA SWITCH< it is a fuel shut off switch >>>>>
WARNING: Do not reset the inertia switch button if you see or smell fuel.
Have you made any other repairs to the truck lately? Starter maybe? The ignition switch has more than one source feeding it. If you lose one fusible link, you'll lose ign OR acc items. I'd check all fusible links.
Should be on the passenger side kickplate below the glovebox and to the right. You may have to remove the plastic panel to access it or look for a small hole in it and feel around for the button
there is no fuel pump shutoff on this truck, if the fuse and relay are good there is a 99.9% chance your fuel pump is gone bad. they usually start to give off a louder sound from the tank and then they quit shortly after.
GM products do not have a fuel pump shut off like Ford and others, the fuel pump is shut off if the oil pressure drops below 5 PSI with the key in engine run position.
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