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Home >> Kia >> 2011 >> Optima SX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.0L >> Knock Sensor (KS) >> Repair Procedures >> Removal >> Notes
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Repair Procedures: Removal: Notes

  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Remove the intake manifold. Refer to INTAKE AND EXHAUST SYSTEM .
  3. Disconnect the knock sensor connector (A).
  4. Remove the installation bolt (B), and then remove the sensor from the cylinder block.
Fig 1: Knock Sensor Connector & Bolt
G07379739Courtesy of KIA MOTORS AMERICA, INC.