Injector Replacement
- Relieve fuel pressure (see FUEL PRESSURE TEST
).
- Disconnect the connectors from the injectors (A), the EGR valve (B), and the EVAP canister purge valve (C).
Courtesy of AMERICAN HONDA MOTOR CO., INC.
- Disconnect the vacuum hoses and fuel return hose from the fuel pressure regulator (D) and EVAP canister purge valve. Place a rag or shop towel over the hoses before disconnecting them.
- Disconnect the fuel hose (E) from the fuel rail (F).
- Remove the retainer nuts (G) from the fuel rail and harness holder (H).
- Remove the EVAP canister purge valve, and disconnect the PCV valve (I).
- Disconnect the fuel rail.
- Remove the injectors from the fuel rail.
- Slide new cushion rings (A) onto the injectors (B).
Courtesy of AMERICAN HONDA MOTOR CO., INC.
- Coat new O-rings (C) with clean engine oil, and put them on the injectors.
- Insert the injectors into the fuel rail (D).
- Coat new seal rings (E) with clean engine oil, and press them into the intake manifold.
- Install the injectors into the intake manifold.
- Install and tighten the retainer nuts.
- Connect the fuel hose to the fuel rail with new washers.
- Connect the vacuum hoses and fuel return hose to the fuel pressure regulator and EVAP canister purge valve.
- Install the connectors on the injectors, EGR valve, and EVAP canister purge valve.
- Install the EVAP canister purge valve and PCV valve.
- Turn the ignition switch ON (II), but do not operate the starter. After the fuel pump runs for approximately 2 seconds, the fuel pressure in the fuel line rises. Repeat this 2 or 3 times, then check for fuel leakage.