Kia Rio: Description - Heated Oxygen Sensor (HO2S) - Engine Control System - Engine Control / Fuel System - Kia Rio UB 2012-2019 Service ManualKia Rio: 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.

Specification


Heated Oxygen Sensor (HO2S)
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Specification
HO2S [Bank 1/Sensor 1] Item Specification Heater Resistance (Ω) 2.4 ~ 4.0 [20°C(68°F)] HO2S [Bank 1/Sensor 2] A/F Ratio (λ) ...

See also:

Steering Column and Shaft Inspection
1. Check the steering column for damage and deformation. 2. Check the steering column for damage and deformation. 3. ...

Rear Hub - Carrier Components
[Drum Type] 1. Rear torsion beam assembly 2. Brake assembly 3. Rear wheel hub assembly 4. Rear brake disc 5. Rear brake disc mounting screw ...

SS-B Solenoid Valve(ON/OFF) Inspection
1. Turn ignition switch OFF. 2. Disconnect the solenoid valve connector. 3. Measure resistance between sensor ...

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