Fuel Injector: Service and Repair

Fuel Injectors, Removing And Installing







- Remove rear engine cover (arrows).







- Remove bolts for holding plate for solenoid valves (arrows).







- Remove front engine cover (arrows).







- Disconnect harness connector at Intake Manifold Change-Over Valve -N156- -Item 1-.







- Disconnect all harness connectors at fuel injectors, to do this disengage harness connectors at the bottom -arrow-







- Disconnect vacuum hose -3- from fuel pressure regulator.
- Unscrew fuel distributor from intake manifold (arrows).

NOTE: Fuel supply line -2- and fuel return line -1- must be disconnected before replacing fuel distributor.

CAUTION: Fuel system is under pressure. Before opening system, place rags around the connection. Then release pressure by carefully loosening connection.

- Remove fuel distributor with injectors from intake manifold simultaneously upward and set aside in rear of engine compartment on a clean cloth.
- Disengage retaining clip and remove fuel injector.

Installing
Installation is reverse of removal, noting the following:
- Remove O-rings at all opened connections.
- Lightly lubricate O-rings with clean engine oil.
- Make sure fuel injectors are in place and seated correctly
- Check clip for unobstructed fitting.
- Place fuel rail with secured fuel injectors onto intake manifold, and apply uniform pressure to press it in.

Tightening torque

Component Nm
Fuel distributor at intake manifold 10