> Turn to page 156 in your Probst book and the first sentence in the first > paragraph in the right column states: "Turning the key to ON causes the fuel > pump to run for one second to pressurize the system. Correct. It is time based only! The system does not do anything but run the pump for 1 sec. The pressure is not measured and could be anything from 0 psi to 39 psi. . .