Fuel Injector: Service and Repair

NOTE: Use care when handling fuel injector especially not to damage filter and its needle. Also, because injector is an electrical component, it should not be immersed in any type of liquid solvent or cleaner, or it may get damaged.



REMOVAL
- Relieve fuel pressure.
- Disconnect battery negative cable at battery.
- Remove air cleaner assembly referring to section 6A1.
- Remove air cleaner mounting stay for throttle body.

Disconnecting Connector:

- Remove injector cover and upper insulator. Then open claws of injector after removing coupler cover and disconnect coupler from it.

Removing Injector:

- Remove injector from throttle body.

NOTE: Use care not to break claws by opening them too far outward.

INSTALLATION
- Apply thin oat of spindle oil or gasoline to new upper and lower O-rings, install lower O-ring to injector cavity and upper O-ring to injector.

Installing O-Rings And Insulator:

- Install new lower insulator to injector cavity.
- Install injector by pushing it straight into fuel injector cavity.
NEVER TURN INJECTOR WHILE PUSHING IT.
- Install new upper insulator and new injector cover, and tighten cover screw to specified torque.

TORQUE VALUE
2.9 - 4.1 Nm (0.29 - 0.41 kg/m, 2.1 - 2.9 lb-ft)

Clamping Sub-wire:

- Connect injector coupler to injector, facing its lug side upward and cover its coupler with coupler cover, and with wire tube pushed against injector coupler, clamp sub wire.
- Connect battery negative cable at battery.
- With engine "OFF" and ignition switch "ON", check for fuel leaks.

Installing Stay:

- Install air cleaner mounting stay.
- Install air cleaner assembly.