Kia Optima Hybrid: Engine Control System / 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
   
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 ratio. The ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Front Seat Belt Repair procedures


Replacement Front Seat Belt Replacement     • When installing the belt, make sure not to damage the pretensioner. 1. Remove the following items first : • Front seat assembly (Refer to the BD group - "Front Seat") • Front door scuff trim & rear door scuff trim (Refer to the BD group ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Transmitter Repair procedures


Inspection 1. Check that the red light flickers when the door lock or unlock button is pressed on the transmitter. 2. Remove the battery (A) and check voltage if the red light doesn''t flicker. Standard voltage : 3V 3. Insert the battery (A) into the tester (09954-2P100). 4. Push the test button and ...

© 2022 Copyright www.koptimatfhev.com