1983 GMC Sierra fuel problem

Tiny
ROCKYC
  • MEMBER
  • 1983 GMC SIERRA
I have a 83 gmc sierra. My truck seems to run out if gas eventhough I have fuel in it. What could be the cause? The pump is attached to the block. If I crank it back up I can continue as long as I slowly press the accelerator. If I press it harder it shuts off again.
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Friday, July 5th, 2013 AT 5:25 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,917 POSTS
If it does this all the time we have to look at a carburetor problem or something with the fuel supply, meaning the pump or mainly the filter. If it runs okay for a few minutes or a few miles before it acts up the filter is not the cause. That symptom is commonly caused by a plugged or collapsing pickup screen in the tank.
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Friday, July 5th, 2013 AT 5:44 PM

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