Fuel Injector Replacement

Removal Procedure

Notice

Use care in removing the fuel injectors in order to prevent damage to the fuel injector electrical connector pins or the fuel injector nozzles. Do not immerse the fuel injector in any type of cleaner. The fuel injector is an electrical component and may be damaged by this cleaning method.

Important

The engine oil may be contaminated with fuel if the fuel injectors are leaking.

Tools Required

J 34730-1A Fuel Pressure Gauge


    Object Number: 217114 Size: SH

    Caution

    Before servicing any electrical component, the ignition key must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.
  2. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief Procedure .
  3. Remove the fuel rail assembly. Refer to Fuel Rail Assembly Replacement .
  4. Spread the injector retainer clip to release the injector from the fuel rail.
  5. Remove the fuel injector.
  6. Discard the injector retainer clip.
  7. Remove the injector O-ring seals from both ends of the injector. Discard the O-ring seals.
Installation Procedure

Object Number: 69058 Size: SH

Important

When ordering new fuel injectors, be sure to order the correct injector for the application being serviced.

The fuel injector assembly is stamped with a part number identification (2), a manufacturing date (3), a week code (1), and a production plant number (4).


    Object Number: 217114 Size: SH
  1. Lubricate the new injector O-ring seals with clean engine oil.
  2. Install the new injector O-ring seals on the injector.
  3. Install a new retainer clip on the injector.
  4. Push the fuel injector into the fuel rail injector socket with the electrical connector facing outward. The retainer clip locks on to a flange on the fuel rail injector socket.
  5. Install the fuel rail assembly. Refer to Fuel Rail Assembly Replacement .
  6. Tighten the fuel filler cap.
  7. Connect the negative battery cable.
  8. Inspect for leaks.
    1. Turn the ignition switch ON for 2 seconds.
    2. Turn the ignition switch OFF for 10 seconds.
    3. Turn the ignition switch ON.
    4. Check for fuel leaks.
  9. Perform the Idle Learn Procedure. Refer to Idle Learn Procedure .