Question about 2001 Chevrolet Blazer

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Fuel system I replaced fuel filter and my truck run for 1/2 an hour then stop I need to know if I have to bleed the fuel system to get the air out. For about six months now I have had a hard start problem, I have found if I let the fuel pump cycle 3 times just by turning the key on until the pump pressures up and stops it starts right up.I changed the fuel filter and gas cap as well, no difference found. It never dies and never hesitates runs strong all the time. Only just yesterday, going to work and it stopped running just like you turned the key off . You can still here the pump cycle up as always but it wont start, cranks fine. Pore a little gas down the venturi it starts right up only to die again. HELP !

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Sounds like bad fuel pump. On the fuel pump there is a hose that goes from the pump up to the lines that feed your motor. That hose is about 4 inches long and is in the tank itself. I have had alot of those come through. You could replace the whole pump, but if that hose is busted, replacing that will be enough to fix it.

Posted on Sep 06, 2008

  • Steven Brock Sep 07, 2008

    If your truck ran for 30 minutes, there's no air in the system. And to prime the fuel system, cycle the key on and off for 5 times. Turn to on positon, let pump run for 4 seconds, it shuts of automaticaly, then turn key off and repeat proccess another 4 times.

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