Hyundai Kona: Engine Control System / Heated Oxygen Sensor (HO2S) Repair procedures

Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the HO2S connector.
3.
Measure resistance between the HO2S terminals 2 and 5 [B1/S1].
4.
Measure resistance between the HO2S terminals 3 and 4 [B1/S2].
5.
Check that the resistance is within the specification.
Specification : Refer to "Specification"
Removal
[Bank 1 / Sensor 1]
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Disconnect the connector (A), and then remove the sensor (B).
  
•
Note that the SST (Part No. : 09392-1Y100) is useful when removing the heated oxygen sensor.

[Bank 1 / Sensor 2]
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Disconnect the connector (A), and then remove the sensor (B).

Installation
  
•
Install the component with the specified torques.
•
Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.
  
•
DON’T use a cleaner, spray, or grease to sensing element and connector of the sensor because oil component in them may malfunction the sensor performance.
•
Sensor and its wiring may be damaged in case of contacting with the exhaust system (Exhaust Manifold, Catalytic Converter, and so on).
1.
Install in the reverse order of removal.
Heated oxygen sensor installation :
39.2 - 49.1 N.m (4.0 - 5.0 kgf.m, 28.9 - 36.2 lb-ft)
Heated Oxygen Sensor (HO2S) Schematic diagrams
Circuit Diagram Harness Connector HO2S [Bank 1/ Sensor 1] HO2S [Bank 1/ Sensor 2] ...

Exhaust Gas Temperature Sensor (EGTS) Description and operation
Description Installed in exhaust manifold, the Exhaust Gas Temperature Sensor (EGTS) #1 for WGT senses the temperature of exhaust gas flowing into the WGT. Installed in Gasoline ...

Other information:

Hyundai Kona (OS) 2018-2025 Service Manual: Heated Oxygen Sensor (HO2S) Specifications
Specification HO2S [Bank 1/Sensor 1] (Linear type) Item Specification Heater Resistance (Ω) 2.4 - 4.0 [20°C (68°F)] HO2S [Bank 1/Sensor 2] (Binary type) A/F Ratio (λ) Output V ...

Hyundai Kona (OS) 2018-2025 Service Manual: Piston and Connecting Rod Repair procedures
Disassembly    • Use fender covers to avoid damaging painted surfaces. • To avoid damaging the cylinder head, wait until the engine coolan ...

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