Q: How to remove and replace the fuel pressure regulator on Scion tC?
A: In order to change the fuel pressure regulator on the 2AZ-FE engine, remove rear seat cushion and floor cover, remove fuel pump connection, and bleed the fuel pressure. Unplug the negative battery terminal, disassemble the fuel suction assembly and make sure that no dirt is left. Lastly, strip the gasket off.
Q: How to service the fuel pressure regulator on Scion xD?
A: In order to service the fuel pressure regulator of the 2ZR-FE engine, first of all, the system pressure must be relieved. Then, disconnection of the fuel pump as per the proper methods. Loosen the pressure regulator with a screwdriver with taped tip, and lastly remove the two O-rings in the regulator assembly.