Fuel Injector Removal and Installation

Fuel Injector Removal and Installation

Fuel Injector On-Vehicle Inspection

Removal

1) Relieve fuel pressure. Service and Repair
2) Disconnect negative (-) cable from battery.
3) Remove engine cover.
4) Disconnect PCV valve hose. Cylinder Head Cover Removal and Installation
5) Disconnect ignition coil connectors and fuel injector connectors.
6) Remove clamp of engine harness from fuel delivery pipe.
7) Remove fuel pipe stopper (1) and disconnect fuel feed pipe (3) from fuel delivery pipe (2). Fuel Hose Disconnecting and Reconnecting
8) Remove fuel delivery pipe (2).
9) Remove fuel injector(s) (4).





Installation

Fuel Injector Inspection

Reverse removal procedure, noting the following points.

- Replace injector O-ring (1) and cushion (2) with new one.
- Apply thin coat of fuel to O-rings (1), and then install injectors (3) into delivery pipe (4) and cylinder head.
- Tighten delivery pipe bolts (5) to specified torque.

Tightening torque
Fuel delivery pipe bolt (a): 25 Nm (2.5 kgf-m, 18.5 lbf-ft)





- Make sure that injectors (1) rotate smoothly (2). If not, probable cause is incorrect installation of O-ring (3). Replace O-ring with new one.





- After installation, with engine stopped and ignition mode of keyless push start system in "ON", check for fuel leaks around fuel line connection. Fuel Leakage Check Procedure