Fuel Injector: Service and Repair

Fuel Injector Replacement

Special Tools

CH-807 - Closure Plugs

For equivalent regional tools, refer to Special Tools Tools and Equipment.

Removal Procedure

1. Disconnect the negative cable from the battery. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.

2. Remove the positive crankcase ventilation tube. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement Service and Repair.

3. Disconnect the wiring harness from the:

1. Evaporative emission purge valve

2. Fuel injectors

3. Manifold absolute pressure sensor

4. Place a collecting basin underneath.

Warning

Gasoline or gasoline vapors are highly flammable. A fire could occur if an ignition source is present. Never drain or store gasoline or diesel fuel in an open container, due to the possibility of fire or explosion. Have a dry chemical (Class B) fire extinguisher nearby.

5. Release the fuel pressure. Refer to Fuel Pressure Relief Service and Repair.





6. Disconnect the fuel feed pipe (1). Refer to Plastic Collar Quick Connect Fitting Service Procedures.

7. Install CH-807 - plug to the fuel feed pipe.

8. Remove the 2 evaporative emission canister purge solenoid valve bracket bolts (2).

9. Relocate the evaporative emission canister purge solenoid valve and bracket.





10. Remove the 2 multiport fuel injection fuel rail bolts (1).

11. Remove the multiport fuel injection fuel rail (2) with the fuel injectors (3) from the intake manifold.

12. Remove the 4 fuel injector seals.





13. Remove the fuel injector retainer (1).

14. Remove the fuel injectors.

Installation Procedure





Note:
Install new fuel injector seals, coat the multiport fuel injector seals with silicone grease.

1. Install the fuel injector retainer (1).

Note:
Coat the fuel injector seals with silicone grease

2. Install the 4 new fuel injector seals.





3. Install the multiport fuel injection fuel rail (2) and the fuel injectors (3) to the intake manifold.

Caution:
Refer to Fastener Caution Fastener Caution.

4. Install the 2 multiport fuel injection fuel rail bolts (1) and tighten to 8 Nm (71 lb in).





5. Install the 2 evaporative emission canister purge solenoid valve bracket bolts (2) and tighten to 8 Nm (71 lb in).

6. Remove the CH-807 - plug.

7. Connect the quick-release fitting of fuel feed pipe (1).

8. Connect the wiring harness to the:

1. Evaporative emission purge valve

2. Fuel injectors

3. Manifold absolute pressure sensor

9. Install the positive crankcase ventilation tube. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement Service and Repair.

10. Connect the negative cable from the battery. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.