2004 GMC Sierra fuel problem

2004 GMC SIERRA
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WYOMING WILLSON
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  • 1 POST
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 4:00 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,244 POSTS
Does it happen when the engine is running or shut off?
Apr 3, 2010 at 8:20 AM
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