Code 2215 low fuel pressure

[Lonestar10]

umm 0 psi out of the pump and 200-300 bounce after the ecm loop into the IFSM rail i think you got fuel but either that port doesnt work for testing after the pump or somethings goofy.

I would replace the 2 pressure regulators and see what happens there and maybe replace that port on the pump with the one from the IFSM rail and see if stuff changes i would also replace the fuel pressure sensor.