2004 GMC Sierra fuel problem

2004 GMC SIERRA
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WYOMING WILLSON
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2004 GMC Sierra

I lose fuel prime after engine is warm. Could this be a fuel filter problem or is there check valves in the fuel line that could be bad?
Apr 2, 2010 at 11:00 AM
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JACOBANDNICKOLAS
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Does it happen when the engine is running or shut off?
Apr 3, 2010 at 3:20 PM