2. Decompress the fuel system.
3. Mark and disconnect all hoses and wires from the fuel pressure regulator, unscrew the nuts and remove the regulator.
4. Installation is carried out in reverse order. Replace the O-ring, lightly lubricate it with engine oil. When finished, fill the system with fuel by turning the ignition on and off several times.
Fuel distributor and injectors (Odyssey V6)
(Information obtained from this source «hondabook.ru»)