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88 6.2 fuel pump in fuel thank

Discussion in 'Chevy Trucks' started by bob00, Sep 23, 2010.

  1. bob00

    bob00 Senior Member
    Messages: 143

    hi ther is my trouble a got a new used rust buket with a 6.2 disel that wont start it got fuel in the tank but no fuel comming at the filtrer so my guest is bad pump in fuel thank

    ther is any know fail that i might check frist ?:mechanic:
     
  2. BlizzardBeater

    BlizzardBeater Senior Member
    from Maine
    Messages: 420

    You're probably right in your thinking. First quick test I do is to thump the bottom of the fuell tank while trying to start the truck, obviously easier with a buddy to help you. A lot of times this will shock the pump into working, usually for a very short time. If this causes it to start and then quit again or stay running, safe assumption on the pump. Another thing to try, after turning the motor over, leave the key in the on position, often u can hear the wine of the pump for a second or two after. If you cant, could be another clue. A fuel pressure test is the best way, but requires the equipment to do so. Also, before you go too far, check your fuel pump relay or fuses, could be that simple. Good luck bud.
     
  3. bob00

    bob00 Senior Member
    Messages: 143

    i fix it the pump was along the frem and a wire was broke now the dam thing start so i can start the big job to bring it back to life ( brake line, driver door a lot of paint and a new box )
    :mechanic:
     
  4. BlizzardBeater

    BlizzardBeater Senior Member
    from Maine
    Messages: 420

    Good to hear, a lot of times it's just somethin silly like that. Just a word of advice, when you get to those brakelines, 9 times out of ten, it's much easier to run all new lines than to try and cut and splice.
     
  5. bob00

    bob00 Senior Member
    Messages: 143

    i wil its a 88 i got 2 month befor winter so i am not in rush its much easier and safer