Avenger V6-2.7L Flex Fuel (2009)
Fuel Injector: Service and Repair
Fuel Injector - Removal
2.7L
1. Release fuel system pressure. Refer to Fuel System Pressure Release Procedure. See: Fuel Filter/Fuel Pressure Release/Service and Repair
2. Disconnect negative cable to battery.
3. Remove intake manifold, See: Engine, Cooling and Exhaust/Engine/Intake Manifold/Service and Repair/Removal and Replacement/Intake
Manifold - Removal.
4. Cover intake manifold to prevent foreign material from entering engine.
5. Disconnect fuel supply tube quick connect fittings at the rear of intake manifold. Refer to Quick Connect Fittings in the Fuel Delivery System.
See: Fuel Line Coupler/Service and Repair
6. If the injector connectors are not tagged with their cylinder number, tag them to identify the correct cylinder
7. Remove electrical connectors from the fuel injectors.
8. Remove fuel rail mounting bolts.
9. Lift fuel rail straight up off of the cylinder head.
10. Remove retaining clips from fuel injectors at fuel rail.
11. Remove fuel injectors.
12. Repeat for remaining injectors.
13. Check injector O-ring for damage. If O-ring is damaged, it must be replaced. Replace the injector clip if it is damaged.
