Question about 1998 Chevrolet K1500

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Chevy Suburban injection system

We just replaced the fuel pump in our 1998 chevy suburban will start when gas is poured into the intake but will not stay started

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  • Anonymous Dec 31, 2008

    yes with my 1997 chevy suburban

  • s60six May 11, 2010

    did your new fuel pump come with a new electrical plug in the box?

  • Marvin
    Marvin May 11, 2010

    Answer? the fuel pump has no power, isolate the problem with electrical testing, start at the fuel pump relay, see if it closes and sends power to the harness of the fuel pump, if not drop the tank and test the connector, no easy fix for this, just tests and hard work.

  • Anonymous Mar 16, 2014

    acura 1.8 fuel pump stays on even when key in acc position and fuel pours out of intake manifold



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Did you pressure test the fuel at the rail? I bet your pump is failing. If it's the original pump and you have over 100,000 on the truck then it's about due. You check your pressure at the rail and I bet there's enough to get started but when it runs the pump pressure drops off, the only other answer IMO, would be maybe the fuel pressure regulator went bad or you have dirt in your tank clogging the pump sock.

Posted on Aug 18, 2015

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Check your entire ignition system especially the ignition control module

Posted on Jan 10, 2009


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