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Home >> Kia >> 2018 >> Optima SX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.0L (Except HEV) >> Knock Sensor (KS) >> Repair Procedures >> Removal
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Repair Procedures: Removal

  1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
  2. Remove the intake manifold.

    (Refer to Engine Mechanical System - "INTAKE MANIFOLD ").

  3. Remove the delivery pipe & injector assembly.

    (Refer to Fuel Delivery System - "DELIVERY PIPE ")

  4. Remove the knock sensor (A) after loosening the mounting bolt from the cylinder block.
    Fig 1: Removing Knock Sensor
    G12145730Courtesy of KIA MOTORS AMERICA, INC.