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Old 06-29-2012, 07:10 PM
BajaScout BajaScout is offline
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98 C1500 5.7L Fuel Pressure (Won't start)

After replacing the intake manifold gasket for the second time, the truck would not start. Thought for sure it was my putting the distributer in wrong. After reviewing the forums, I am sure it is installed correctly. I have spark but no start. Engine cranks over nicely, but acts like it needs fuel. I hooked up a fuel gauge, turned on the key and get 56PSI. Lower than the 60 required. The pressure then slowly goes to 50 PSI. I pinched off the return hose and had the same readings. Pretty sure I need to replace the fuel pump. Is there anything else I need to check. I replaced the fuel pump a couple years ago with a Delphi unit. Maybe this is just a weak link for these trucks. My truck has a little over 100,000 miles on it. Appreciate any advice folks may have.
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