Gas Direct Injection System With Intermittent Low Fuel Pressure

This is a 2014 Ford Fusion GDI with a low side fuel psi that is stuck at 109 psi on scan data with a desired fuel psi of 85. Symptoms are intermittent low power and stalling and will not restart until it cools down.
00:00 - customer complaint
04:09 - codes and data
07:00 - researching system operation
12:15 - fuel pump driver module testing part 1 • Ford Electronic Return... part 2 • Ford Electronic Return...
12:50 - diagram of low and high side pressure sensors
14:00 - high psi solenoid unplugged test
16:25 - default strategy with low psi sensor unplugged
18:00 - direct fuel pressure measurement of the low side
20:30 - default low psi with low psi sensor unplugged
22:30 - command vs actual vs desired pressure
23:45 - psi sensor pinpoint testing (5v ref, signal, ground tests)
31:00 - heat gun on the low psi sensor
34:50 - review with my brother
37:21 - warning on "selling" the job
38:45 - days later with new sensor installed
40:38 - actual vs scan data (skewed sensor?)
47:30 - vapor lock condition
49:55 - me getting everyone sick
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