Hyundai Kona: Engine Control System / Heated Oxygen Sensor (HO2S) Description and operation

Hyundai Kona (OS) 2018-2026 Service Manual / Engine Control / Fuel System / Engine Control System / 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 Manifold Catalytic Converter. The sensor output voltage varies in accordance with the air/fuel ratio.
The sensor must be hot in order to operate normally. To keep it hot, the sensor has a heater which is controlled by the ECM via a duty cycle signal. When the exhaust gas temperature is lower than the specified value, the heater warms the sensor tip.

Knock Sensor (KS) Repair procedures
Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Remove the intake manifold (Refer ...

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)] ...

Other information:

Hyundai Kona (OS) 2018-2026 Owners Manual: Fuel gauge
This gauge indicates the approximate amount of fuel remaining in the fuel tank. Information The fuel tank capacity is given in chapter 8. The fuel gauge is supplemented by a low fuel warning light, which will illuminate when the fuel tank is nearly empty. On inclines or curves, the fuel gauge ...

Hyundai Kona (OS) 2018-2026 Service Manual: Front Seat Cushion Cover Repair procedures
Replacement    • Put on gloves to prevent hand injuries.    • Wh ...

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