fuel pressure problem

2003 Tahoe 5.3 flex fuel I was driving last week and the engine just stopped. I had it towed home and determined I wasn't getting fuel up at the fuel rail. I don't have a pressure gauge, but pushed the button in with a screwdriver and only a drop of gas came out. I assumed the fuel pump...

2005 Tahoe Joe Gibbs loses fuel pressure used the fuel shutoff hose and it holds pressure from hose to injectors it is losing it from there to fuel pump this truck does not have a fuel regulator or fuel filter. I replaced fuel pump only. No leaks in hose . Any ideas? It is creating long crank...