LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2012 >> Optima Hybrid >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - HEV >> Injector >> Repair procedures >> Removal
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Repair procedures: Removal

  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Release the residual pressure in fuel line (Refer to "RELEASE RESIDUAL PRESSURE IN FUEL LINE " in this group).
    CAUTION: When removing the fuel pump relay, a Diagnostic Trouble Code (DTC) may occur. Delete the code with the GDS after completion of "Release Residual Pressure in Fuel Line" work.
  3. Disconnect the injector connector (A).
  4. Remove the wiring harness bracket installation bolt (B).
  5. Remove the installation nut, and then disconnect the fuel feed tube (C).
  6. Remove the installation bolt (D), and then remove the delivery pipe & injector assembly from the engine.
    Fig 1: Injector Connector, Fuel Feed Tube And Mounting Bolts Component Location
    G08312875Courtesy of KIA MOTORS AMERICA, INC.
  7. Remove the fixing clip (A), and then separate the injector from the delivery pipe.
    Fig 2: Identifying Fixing Clip
    G08312876Courtesy of KIA MOTORS AMERICA, INC.