Fuel Rail: Service and Repair

Fuel Injection Fuel Rail Assembly Replacement

Removal Procedure

1. Disconnect battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (without Start/Stop System) Battery Negative Cable Disconnection and Connection (without Start/Stop System).
2. Remove engine sight shield.
3. Remove the fuel feed pipe from fuel injection fuel rail. Refer to Fuel Feed Pipe Replacement Service and Repair.
4. Remove the positive crankcase ventilation pipe from the intake manifold. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement Service and Repair.

5. Disconnect the 4 fuel injector wiring harness plugs (2).
6. Unclip the ECM wiring harness from retainer clips (1) and the camshaft cover.

7. Remove the ground cable nut (2) and the ground cable.
8. Remove the 2 fuel injection fuel rail bolts (1).

9. Remove the fuel injection fuel rail assembly (1) and the 4 fuel injector seal rings (2).

Installation Procedure

Note: Lubricate the 4 fuel injector seal rings (2) with clean engine oil.

1. Install the fuel injection fuel rail assembly (1) to the intake manifold. Use NEW fuel injector seal rings (2).

Caution: Refer to Fastener Caution Fastener Caution.

2. Install the 2 fuel injection fuel rail bolts (1) and tighten to 7 Nm (62 lb in).
3. Install the ground cable and the ground cable nut (2) and tighten.

4. Connect the 4 fuel injector wiring harness plugs (2).
5. Clip the ECM wiring harness to the retainer clip (1) and the camshaft cover.
6. Install the positive crankcase ventilation pipe to the intake manifold. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement Service and Repair.
7. Install the fuel feed pipe to the fuel injection fuel rail. Refer to Fuel Feed Pipe Replacement Service and Repair.
8. Install the engine sight shield.
9. Connect battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (without Start/Stop System) Battery Negative Cable Disconnection and Connection (without Start/Stop System).