Question about 2002 GMC Sierra

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Fuel problem 2002 GMC Sierra 1500

Never any problems. I have a full tank of gas. It acts like it is out of fuel. I changed the filter although it seemed clear. What other than fuel pump can I check?

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  • Scott Johnsen May 26, 2009

    Thanks, I turned the key on and pushed the valve on the fuel rail. It just dribbled. Not much pressure at all.

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Really by the way you describe it you need to check the fuel pressure. There is a valve on the fuel rail for testing it. You will need a fuel pressure gauge. It should have 55 to 65 psi. It will not run on less than 50 psi. If you have less then it will be your pump. Good Luck

Posted on May 26, 2009

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