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99 chevy 2500 no fuel to the rail issue.... need help fast!!

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by chevy46, May 10, 2013.

  1. chevy46

    chevy46 New Member

    okay heres my problem. i got a great deal on a 1999 chevy 2500 6.0l gas, the fuel lines rusted out. so i replaced them, and now it cranks and i can here the fuel pump kick on. but it doesnt push fuel to the rails. i know im getting spark. can someone get me a diagram of all the fuel lines so i can double check that their all going to the right place. does any one know whats going on?
  2. j cat

    j cat Rockstar 3 Years 1000 Posts

    remove the fuel filter and place a pressure gauge on the pump line side should be 60 psi [or more] with the pump run of 2 sec.also should hold pressure.

    you don't need a diagram because the lines are of a different size.vapor the largest/ return the smallest.
  3. shibby2oo8

    shibby2oo8 Member 2 Years 100 Posts

    The flex lines that run up the back of the engine can rust inside or catch crap and plug up. Take off all the lines you can and back blow with air. Do not let it blow back into the filter or pump though.

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