Question about 2002 Chevrolet S-10

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I have a 2002 s10 witha 4.3. It would not start so I changed the fuel filter and the fuel pump with a universal one. The truck still will not start. it is getting fire but I do not think the fuel presure is enough the start it. I have not checked yet witha gauge. Any ideas?

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  • nelsonmobile May 09, 2009

    There is fuel coming from the test port. on the fuel rail

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Depress bleeder valve on main injector tube to see if fuel flow is present from pump could be trash in supply port.

Posted on May 09, 2009

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When you test it with a gauge cycle the key off/on several times. Pressure should be 60-66 psi. Below 55 psi will not run the truck. Let me know what you get for a reading. Good Luck.

Posted on May 09, 2009

  • Mike White
    Mike White May 09, 2009

    You need to test it with a gauge. As I said 55psi will NOT make it start and it will look like alot of pressure to the eye. You really need to know if it has at least 60 psi. Good Luck

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