Gas Fuel pumps (Ford)

Mine just failed this summer out in Washington state. Looking back there were signs that the pump was failing. At first it took two crank cycles to get it started, a 1000 miles later I had to give it gas to like a carb engine to start it. Once it started it ran well even climbing hills out west. A 1000 miles later I really had to pump the gas to keep it running. I checked the fuel pressure and it was fine so I thought the problem was electrical, after changing plugs, wires, HEI, pickup coil, fuel filter etc I drove it a 100 miles to a shop in Washington, at first an older mechanic thought it was the timing gear that was warn throwing the timing off because the fuel pressure was good and it ran well at high speeds. A young tech sprayed carb cleaner into TBI and it started and ran fine and he determine it was a failing fuel pump. So the conclusion is just because it has the correct pressure does not mean it is pumping the correct volume of fuel to start the engine. If you wanted to add something as a warning gage I would add a flow meter rather than a pressure gage.