Honda Acura NSX 1991 Service Manual page 269

13. install the injectors and fuel pipe assembly in the manifold.
CAUTION: To prevent damage to the O-ring, install the injectors in the fuel pipe first, then install them in the intake
manifold.
14. Align the center line on the connector with the mark on the fuel pipe.
15. Install and tighten the retainer nuts.
16. Connect the fuel hose to the fuel pipe.
17. Connect the vacuum hose and fuel return hose to the pressure regulator.
18. Install the connectors on the injectors.
19. Install the intake manifold covers.
20. Turn the ignition switch ON 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.
MANIFOLD
INTAKE
CONNECTOR
I ,
FUEL PIPE
II-93