If the stereosystem established on the car is equipped with a security code before disconnecting the battery make sure that have the correct combination for equipment input in action!
3a. Disconnect from a pressure regulator vacuum and fuel hoses, then turn out fixing bolts (Civic).
3b. Fixing bolts (Integra).
4. Remove a pressure regulator. 5. Installation is made upside-down. Do not forget to replace a sealing ring which before installation it is necessary to grease with pure impellent oil slightly. 6. Check the engine on existence of signs of leakages of fuel.