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Installation Instructions for a Fuel Pressure Regulator in a Civic

The Honda Civic is a line of subcompact and compact cars made by Honda since 1973. The models made from 2006 to 2010 are compacts with several choices of engines, most often a four-cylinder 1.8-liter engine. These vehicles use mult-port fuel injection, which requires a fuel pressure regulator to control the pressure in the fuel lines. The fuel pressure regulator in recent model Honda Civics is located under the rear seat and is part of the fuel tank unit.

Instructions

1

Open the filler cap for the fuel tank to relieve the pressure in the fuel tank. Remove the fuse for the fuel pump under the dashboard and start the engine. Allow the engine to run until it stalls and replace the fuse for the fuel pump. Disconnect the cable for the negative battery terminal with a socket wrench to prevent the discharge of fuel into the fuel system.

2

Remove the cushion from the rear seat of the vehicle and pull the upper cross-member from the rear floor. Disconnect the retaining screws for the access panel with a socket wrench and remove the access panel. Detach the electrical connector from the fuel tank unit; release the quick-connect fittings from the fuel tank unit.

3

Turn the locknut counterclockwise with Locknut Wrench 07AAA-SNAA100 to loosen the it. Remove the locknut from the fuel tank unit; detach the fuel tank unit from the fuel tank.

4

Disconnect the bracket and O-ring from the fuel tank unit. Detach the fuel pressure regulator from the rest of the fuel tank unit and discard the O-ring.

5

Lubricate the new O-rings with engine oil and mount the new O-ring onto the new fuel pressure regulator. Connect the bracket to the fuel pressure regulator. Align the marks on the fuel tank unit with those on the fuel tank unit and install the fuel tank unit.

6

Mount the locknut onto the fuel tank unit. Turn the locknut clockwise with Locknut Wrench 07AAA-SNAA100 until it locks into place. Attach the quick-connect fittings and the electrical connectors for the fuel tank unit.

7

Replace the access panel and fasten its retaining screws with a socket wrench. Replace the upper cross-member in the rear floor and install the rear seat cushion. Connect the cable for the negative battery terminal.