Fuel pump failure

Asked by Jun 22, 2017 at 09:46 PM about the 2003 GMC Sierra 1500 SLE Extended Cab SB

Question type: Maintenance & Repair

Turn key to on position and the fuel pump
doesn't turn on untill about the third try.
Once it starts it does 1 of two things. Runs
fine for as long as i leave the truck running
or two. It cuts out as i start to drive and
usually right before it shifts to second.
Then i try to start and it will either fire right
up and run normal or it will take 2-5 trys
with turning the key forward listening for
fuel pump to turn on. I have cleaned
ground wire, replaced fuel filter as well as
fuel pump relay. Has anyone else had
these symptoms? If so what fixed it?

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