Fuel Injector: Installation

Fig 1: FUEL INJECTOR AND RAIL

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Apply a light coating of clean engine oil to the upper O-ring.
Install injector in cup on fuel rail.
Install retaining clip.

Fig 2: RAIL REMOVAL/INSTALL
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Apply a light coating of clean engine oil to the O-ring on the nozzle end of each injector.
Insert fuel injector nozzles into openings in lower intake manifold. Seat the injectors in place.

Fig 3: ELECTRICAL HARNESS REMOVED
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Tighten fuel rail mounting screws to 27 N.m (20 ft. lbs.).

Fig 4: HARNESS CLIPS
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Install wiring harness clips to the fuel rail mounting studs.

Fig 5: ELECTRICAL CONNECTORS
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Attach electrical connectors to fuel injectors.

Fig 6: FUEL LINE AT RAIL
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Connect fuel supply tube to fuel rail.
Connect the negative battery cable.
Use the scan tool to pressurize the fuel system. Check for leaks.