Fuel Injectors, Removing and Installing

Fuel Injectors, Removing And Installing

Removing







- Remove engine cover (arrows).
- Disconnect wiring/connectors at:
- Intake Air Temperature (IAT) sensor -G42-
- Camshaft Position (CMP) sensor 2 -G163-
- Throttle valve control module -J338-

WARNING: Fuel system is under pressure. Place a cloth around connection point before opening system. Then release pressure by carefully loosening connection point.







- Disconnect fuel supply line -1- and fuel return line -2- by pressing on release buttons at separating point.







- Disconnect vacuum hose from fuel pressure regulator (arrow).







- Disconnect electrical connection -1-.
- Remove cable channel -2-.
- Unscrew 2 socket-head bolts (arrows) for fuel rail.
- Remove fuel rail 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.

NOTE: Fuel lines must be disconnected before replacing fuel rail.

Installing
Installation is reverse of removal, noting the following:
- Remove O-rings at all opened connections. (Never remove plastic cap from head of fuel injector, to replace front O-ring - pry O-ring off over plastic cap).
- Always coat 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 rail at intake manifold 10