Civic L4-1668cc 1.7L SOHC MFI (2003)
Fuel Injector: Service and Repair
Injector Replacement
1. Relieve the fuel pressure.
2. Remove the air cleaner.
3. Disconnect the connectors from the injectors (A), the manifold absolute pressure (MAP) sensor (B), the evaporative emissions (EVAP) canister
purge valve (C), and the throttle position (TP) sensor (D).
4. Disconnect the quick-connect fittings (E).
5. Disconnect the hoses from the fuel rail (F).
6. Remove the fuel rail mounting nuts (G) from the fuel rail.
7. Remove the injector clip (H) from the injector.
8. Remove the injector from the fuel rail.
9. Coat the new O-rings (A) with clean engine oil, and insert the injectors (B) into the fuel rail (C).
10. Install the injector clip (D).
11. Coat the injector O-ring (E) with clean engine oil.
