1999 Chevy Silverado Hard start and quick fuel pressure ble

Tiny
DLUEDKE
  • MEMBER
  • 1999 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 89,000 MILES
Have a 99 silverado with 4.8, always starts on second attempt cold or hot. Checked fuel pressure: 50 psi, :60 psi when fuel pressure regulator vacuum line removed. After engine is shut off pressure drops from
50 psi to 0 in about 30 seconds. Can also hear hissing in fuel tank after shut down. I'm thinking the fuel check valve in the tank is shot. Should I check anything else before I run the tank near empty and pull the fuel pump?

Thanks
Dan
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Monday, June 9th, 2008 AT 2:40 PM

1 Reply

Tiny
RHALL77
  • MEMBER
I would replace the fuel pump
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Monday, June 9th, 2008 AT 2:56 PM

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