Fuel Pressure Regulator Replacement

Remove the fuel pump (see FUEL PUMP/FUEL GAUGE SENDING UNIT REPLACEMENT ).
Remove the clip (A).

Fig 1: Removing Clip And Fuel Pressure Regulator
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the fuel pressure regulator (B).
Install the regulator in the reverse order of removal with new O-rings (C).
Make sure the regulator is installed with the drain hole (D) facing down.

NOTE: Coat the O-rings with the clean engine oil. Do not pinch the O-rings during installation. Never apply brake fluid, vegetable oil, or alcohol-based oil to the O-rings.