Fuel Injector - Removal
4.0L
WARNING: The fuel system is under a constant pressure (even with the engine off). Before servicing any part on the fuel system, the fuel system pressure must be released.
1. Release the fuel system pressure, Service and Repair.
2. Disconnect and isolate negative battery cable at battery.
3. Remove clean air hose from throttle body, Air Cleaner Housing - Removal.
4. Use a fuel line release tool to disconnect the quick connect fuel line (1) from the fuel rail (2).
5. Remove the upper intake manifold, Intake Manifold - Removal.
NOTE: Mark fuel injector electrical harness connectors with correct corresponding cylinder numbers.
6. Disconnect the fuel injector electrical connectors.
7. Remove the fuel rail mounting bolts from the fuel rail.
8. Lift fuel rail straight up off of the cylinder heads.
9. Remove retaining clips from fuel injectors at fuel rail.
NOTE: When replacing individual fuel injectors, each fuel injector must be installed to it's original position. Mark or tag each fuel injector to identify the correct cylinder.
10. Remove fuel injectors (1) from fuel rail (2).