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2000 chevy one ton dump

Discussion in 'Chevy Trucks' started by ultimateinc, Dec 8, 2010.

  1. ultimateinc

    ultimateinc Senior Member
    Messages: 143

    hey guys im kinda stumped i got a 2000 chevy one ton dump and its turning over fine but wont start like its not getting fuel. the fuel pumps aren't kicking on. iv waited a hour a tried it again and they kicked on and it almost started. then tried it a few more times and there not kicking on again. im gonna change the fuel pump relay and start from there. any other ideas of why they came on twice but wont all the time ? or what could be the problem ? thanks
  2. chevyman51

    chevyman51 Senior Member
    Messages: 537

    Did ya check the filter
  3. brad96z28

    brad96z28 PlowSite.com Addict
    Messages: 1,525

    Could be 500 things I could guess all day. U really need to invest in some test equipment. ck fuel pressure and spark.
  4. 496 BB

    496 BB Senior Member
    Messages: 789

    Relay is a good start or you can check to see if your getting power back there first. If so I would check the fuel prime pressure and cranking pressure. If you got some miles on this I would bet its the pumps as its common. I will try to start and actually start when they are still bad....just not enough pressure to keep it running.

    NICHOLS LANDSCA PlowSite Veteran
    Messages: 4,362

    First gasser or diesel? Guessing gasser, the fuel pump will not turn on every time the key is turned on if the pressure has been met. You can bleed off the fuel pressure and see if the pump comes on the next key cycle. I had to do the pressure regulator in my 99' with a 454 last year.

    NICHOLS LANDSCA PlowSite Veteran
    Messages: 4,362

    Actually it takes more pressure to start than run
  7. 496 BB

    496 BB Senior Member
    Messages: 789

    Yes Im aware of this BUT it can start and then shut off if the pump is bad. Ive had that happen plenty of times.
  8. 2COR517

    2COR517 PlowSite Fanatic
    Messages: 7,115

  9. Subseven

    Subseven Member
    Messages: 44

    Because it always did. More gas too!