Kia Optima Manuals

Kia Optima: Knock Sensor (KS) Repair procedures - Engine Control System - Engine Control/Fuel SystemKia Optima: Knock Sensor (KS) Repair procedures

Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
2.
Drain the engine coolant (Refer to “Cooling System” in EM group).
3.
Remove the radiator upper hose (Refer to “Cooling System” in EM group).
4.
Disconnect the knock sensor connector (A).


5.
Remove the intake manifold (Refer to “Intake And Exhaust System” in EM group).
6.
Remove the mounting bolt (A), and then remove the sensor from the cylinder block.

Installation


Installation
   
   
•
Install the component with the specified torques.
•
Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
1.
Install in the reverse order of removal.
Knock sensor mounting bolt:
18.6 ~ 23.5 N.m (1.9 ~ 2.4 kgf.m, 13.7 ~ 17.4 lb-ft)
Knock Sensor (KS) Schematic Diagrams
Circuit Diagram ...

Heated Oxygen Sensor (HO2S) Description and Operation
Description Heated Oxygen Sensor (HO2S) consists of zirconium and alumina and is installed both upstream and downstream of the Catalytic Converter. It varies in accordance with the air/fuel rat ...

See also:

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