FUEL DELIVERY PROBLEM

  • Tiny
  • Chris Allison
  • 1985 GMC S15

I have 1985 GMC s15 pickup truck I have a fuel delivery problem has plenty of gas in the tank I just replaced the fuel pump I have taken fuel line off carb still will not pump gas out of the lines can you please help me.

Thursday, June 7th, 2012 AT 4:03 PM

14 Answers

  • Tiny
  • Chris Allison
  • Member

Are you able to help me

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Thursday, June 7th, 2012 AT 4:49 PM
  • Tiny
  • Chris Allison
  • Member

E mail me at chief8point@hotmail. Com

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Thursday, June 7th, 2012 AT 4:59 PM
  • Tiny
  • saturntech9
  • Expert
  • 28,436 posts

The first thing I would check is the supply line to the fuel pump from the gas tank. You could have a clogged fuel pick up sock.

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Thursday, June 7th, 2012 AT 5:00 PM
  • Tiny
  • Chris Allison
  • Member

Hooked a suppy hose from pum to a bottle of gas and still wouldn't get gas

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Thursday, June 7th, 2012 AT 5:11 PM
  • Tiny
  • cadieman
  • Member

Is their voltage to the fuel pump fuse?

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Thursday, June 7th, 2012 AT 5:12 PM
  • Tiny
  • Chris Allison
  • Member

Its a mechanical fuel pump

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Thursday, June 7th, 2012 AT 5:15 PM
  • Tiny
  • saturntech9
  • Expert
  • 28,436 posts

Its a 1985 with a carb read above to the first post cadieman so its a mechanical fuel pump.

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Thursday, June 7th, 2012 AT 5:19 PM
  • Tiny
  • saturntech9
  • Expert
  • 28,436 posts

Chris allison which engine do you have in the truck?

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Thursday, June 7th, 2012 AT 5:20 PM
  • Tiny
  • Chris Allison
  • Member

2.8 V6

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Thursday, June 7th, 2012 AT 5:22 PM
  • Tiny
  • saturntech9
  • Expert
  • 28,436 posts

Pop off the distributor cap and have someone crank the engine over and see if the rotor is spining?I suspect the rotor isnt turning and something has happened with the timing chain. That would explain why the fuel pump is inop.

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Thursday, June 7th, 2012 AT 5:30 PM

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