Fuel Injector: Service and Repair

Fuel Injectors, Removing And Installing







- Remove engine cover (arrows).







- Disconnect electrical harness connectors at Camshaft Position (CMP) sensor -1- and at fuel injectors -2-.
- Remove retaining bolts -3- of fuel distributor.
- Remove fuel distributor together with fuel injectors from intake manifold simultaneously upward and place it on a clean rag in engine compartment.


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


- Disengage retaining clip and remove fuel injector.


NOTE: Fuel line must be removed before replacing fuel distributor.


Installing
Installation is reverse of removal, noting the following:
- Replace O-rings at all opened connection points. (Never remove plastic cap from valve head to replace front O-ring - lift O-ring off over plastic cap).
- Lubricate O-rings with clean engine oil.
- Make sure fuel injectors are in place and seated correctly
- Check clips for proper seating.
- Place fuel rail with secured fuel injectors onto intake manifold, and apply uniform pressure to press it in.

Tightening torque

Component Nm
Fuel distributor to intake manifold 10