infiniti Workshop Repair Guides

Infiniti Workshop Service and Repair Manuals

Fuel Pressure Regulator > < Diagram Information and Instructions|Page 5338
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Fuel Injector: Service and Repair

1. Release fuel pressure to zero.
2. Drain coolant from radiator drain cock.
3. Remove or disconnect the following:

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Related harnesses, wires and tubes

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Intake manifold collector

4. Remove injectors with fuel tube assembly.
5. Remove injectors from fuel tube assembly.
6. Install injectors as follows:

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Clean exterior of injector tail piece.

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Use new O-rings.

CAUTION: After properly connecting injectors to fuel tube assembly, check connections for fuel leakage.

7. Assemble injectors with fuel tube assembly to intake manifold.

Fuel Pressure Regulator > < Diagram Information and Instructions|Page 5338