Fuel system diagnosis

[TurboTnZ06]

Hook up both a mechanical and electric fuel pressure gauge, verify they both read the same. Then connect the elec guage to the powerlogger in the extra port it has, set it up to the spec of the gauge. Mine was a standard 0-100 psi autometter elect fuel pressure gauge. Now I removed the actual guage and just adjust the fp based on what the PL says, and don't have to connect a manual one anymore. And you can log it since the sensor is still on the rail plugged in.