Fuel Injector: Service and Repair

Fuel Injectors

Removing

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

- Press both latches in direction of - arrow - and remove engine compartment E-box cover.





- Remove fuel pump (FP) 2 relay (J49) - 2.1 -.





• Removing the fuel pump (FP) 2 relay (J49) prevents the fuel pump from starting when the driver's door is opened.

- Remove the intake manifold. Refer to => [ Intake Manifold ] Intake Manifold.

- Free up electrical wiring harness - 1 - on fuel rail.





- Remove the bolts - arrows -.

- Remove fuel rail - 2 - with fuel injectors from cylinder head and lay it aside with fuel hose connected.

- Pull off retaining clip and remove the relevant fuel injector.

Installing

• Tightening specifications, refer to => [ Fuel Rail with Fuel Injectors Assembly Overview ] Service and Repair.

Installation is in reverse order of removal, note the following:

• Replace o-rings at all opened connection points. (Never remove plastic cap from valve head to replace front o-ring lift off o-ring over plastic cap).

• Lubricate o-rings with clean engine oil.

• Check that fuel injectors are installed in correct position.

• Check clips for proper seating.

• Place fuel rail with secured fuel injectors onto intake manifold, and apply uniform pressure to press it in.

- Install intake manifold. Refer to => [ Intake Manifold ] Intake Manifold.

- Reconnect fuel pump (FP) 2 relay (J49) - item 2.1 - to relay and fuse holder.