I'd check the fuel pump relay. I believe there is a timer in the ECU to switch off fuel pump if key has been left in the "on" position for an extended period of time, so that said the fuel pump itself should not have burned out from your mistake, but if everything else checks out, do a fuel pressure test and see if it's maintaining pressure after cranking or dies off.
Cranks but want stay running
2004 GMC Sierra 1500
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Maintenance & Repair
the truck would not start so we took the bed off and changed the fuel pump. It started and run fine, we even drove it down the rode. After we put the bed back on the truck the truck would not start. H...
1990 GMC Sierra 1500 C1500 Standard Cab SB
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Maintenance & Repair
Changed filter and regulator And pump is running. Starting fluid or gas in throttle body will start and run til it's gone. Help! Please
1996 GMC Sierra 1500 C1500 SL Extended Cab LB
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Maintenance & Repair
I looked for fuse and relay for my fuel pump and they are not in fuse box under the hood. Is it possible they are located somewhere else. The truck won't start this morning and has worked fine up un...
2010 GMC Sierra 1500 SLE Crew Cab 4WD
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Maintenance & Repair
It was running fine the days before the it stalled and wouldn't start back up. I'm lost Checked fuses, fuel pump and everything is fine so I have no clue what else to look for.
1991 GMC Sierra 1500 C1500 SLE Standard Cab LB
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Maintenance & Repair
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