Question about 2000 Chevrolet Express Cargo

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I have a 2000 chevrolet express van sometimes it will start and run fine now it wont start at all i no its in the fuel system how do i check to see if the fuel pump is bad

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  • Chevrolet Master
  • 7,726 Answers

Listen for the pump to come on when you turn the key to on. If it doesn't come on, find the relay in the engine compartment and see if the relay clicks when you turn the key on. If the relay doesn't click, replace the relay or try switching it with another one that is the same kind. If the relay is OK, and you can't hear the pump come on, your pump is probably bad.
If you can hear the pump, it might still be bad. You need to get a pressure test to make sure it is making pressure. An easy way to see if you are getting some fuel pressure is to find the fuel filter and loosen the nut on the engine side of the filter. In this way, you are checking both the pump and the filter. With the key on, loosen the connection carefully until gas starts to squirt out. Quickly tighten in back. If you loosen it all that way and get no gas, try loosening the connection on the other side of the filter. If neither side has gas, your pump is bad. If onlt the back side has gas, replace the filter. Any questions, please reply.

Posted on Sep 13, 2010

  • 1 more comment 
  • cvcchaparra Sep 13, 2010

    yes this was helpful. another question do I need to drop the fuel tank to get to the pump

  • Jeff Turcotte
    Jeff Turcotte Sep 13, 2010

    usually you do, but let me see if I can look up the procedure. Be back shortly.

  • Jeff Turcotte
    Jeff Turcotte Sep 13, 2010

    I struck out on getting the procedure, but I think it's about the same as any. There is some traffic if you google it where people are complaining that these pumps go out a lot and you have to drop the tank every time. One guy wanted to know where to cut a hole in the floorboard to get into it. Let me know if you get stuck :-(

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