Question about 1999 Chevrolet Silverado 1500

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1999 chevy silverado 5.7L 2wd truck would not start, could not hear the fuel pump, lifted truck bed and cked pump, i have power to pump, it appears that the fuel pump relay is working like it should, power cycles when ke is turned on and when it cranks, i also found what appears to be a plugged fuel filter, i changed the filter also now engine want to start just cant seem to get going it will pu and run if i pour gas down the intake. is there a pressure regulator that may be the problem or what am i missing.

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Did you check the fuel pressure? there is a sharder valve on the fuel rail to do this. i know you have to have a certain amount of pressure in order for it to run.i think on fuel injection its around 60 to 70 psi.and on throtle body is around 30 to50.psi. i also know if you run your truck low on fuel alot it will burn up the pump gas is what keeps pump cool. also you said you found a pluged filter witch over time will burn up the pump. hope this helps.

Posted on Dec 20, 2008

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