Civic DX Coupe L4-1590cc 1.6L SOHC MFI (1999)
1.6L DOHC VTEC
7. Slide new cushion rings onto the fuel injectors.
8. Coat new O-rings with clean engine oil, and put them on the fuel injectors.
9. Insert the fuel injectors into the fuel rail first.
10. Coat new seal rings with clean engine oil, and press them into the intake manifold.
11. To prevent damage to the 0-rings, install the fuel injectors in the fuel rail first, then install them in the intake manifold.
12. Install and tighten the retainer nuts.
13. Connect the vacuum hoses and fuel return hose to the fuel pressure regulator. Connect the vacuum hoses and 2P connector to the EVAP purge
control solenoid valve.
14. Install the connectors on the fuel injectors.
15. Turn the ignition switch ON (II), but do not operate the starter. After the fuel pump runs for approximately two seconds, the fuel pressure in the
fuel line rises. Repeat this two or three times, then check whether there is any fuel leakage.
