Fuel Pressure Leak Down

Asked by Sep 18, 2016 at 08:00 AM about the 2003 Chevrolet Silverado 1500 Short Bed 2WD

Question type: Maintenance & Repair

I have a 2003 Silverado 4.3. I let a buddy borrow my truck while I was out of town and he said it
died on him and he had to get it towed. I've checked the fuel pressure at the schrader valve and it
goes up to about 60 psi and the drops to 0. I've replaced the fuel pressure regulator and the fuel
pump. The truck already has the MFI fuel injection assy (shitty spider valve assy) so I can't pull an
injector to check if it's leaking without pulling off the whole intake. So before I go and pull the
intake to replace the spider valve assy is there any way to test this or any other possible causes?
Maybe the wire harness for the fuel meter body?

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