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: Specifications


Specifications ItemSpecificationFront disc brakeTypeVentilated discDisc O.D.O 300 mm (11.81 in)Disc thickness28 mm (1.10 in)Caliper pistonSingleCylinder I.D.O 60 mm (2.36 in)Rear disc brakeTypeSolid discDisc O.D.O  284 mm (11.18 in)Disc thickness10 mm (0.39 in)Caliper pistonSingleCylinder I.D.O ...

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


Inspection Radiator Cap Testing 1. Remove the radiator cap, wet its seal with engine coolant, and then install it on a pressure tester. 2. Apply a pressure of 93.16 ~ 122.58kPa (0.95 ~ 1.25kgf/cm?, 13.51 ~ 17.78psi). 3. Check for a drop in pressure. 4. If the pressure drops, replace the cap. Radiator ...

© 2022 Copyright www.koptimatfhev.com