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Home >> Kia >> 2020 >> Optima EX Premium >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System - 2.4L (Except HEV)) >> ETC (Electronic Throttle Control) System >> Repair Procedures >> Cleaning

Repair Procedures: Cleaning

WARNING: This page is about a different variant/trim than selected.
  1. Remove the ETC Module.

    (Refer to Engine Control System - "ETC (ELECTRONIC THROTTLE CONTROL) SYSTEM ")

  2. Keep the ETC module plate (A) as open status.
    G12932756Courtesy of KIA MOTORS AMERICA, INC.
  3. Clean the pollutant in the throttle body with a soft cloth moistened by cleaning fluid.
    G12932757Courtesy of KIA MOTORS AMERICA, INC.
    NOTE:
    • Do not spray cleaning fluid to ETC module directly and use a lint free cloth moistened by cleaning fluid.
    • Be careful not to clean the coating fluid around the shaft. If coating fluid is removed, idling control failure might occur by foreign substance inflow or excessive air leakage.
  4. After cleaning, reinstall the ETC module and then perform the ETC module learning procedure.

    (Refer to Engine Control System - "ADJUSTMENT ".)