Kia Rio: Description - Heated Oxygen Sensor (HO2S) - Engine Control System - Engine Control / Fuel System - Kia Rio UB 2012-2020 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:

Front Stabilizer Link Replacement
1. Remove the rear wheel & tire Tightening torque : 88.3 ~ 107.9N.m(9.0 ~ 11.0kgf.m, 65.1 ~ 79.6lb-ft) ...

Inspection
1. Turn the ignition switch OFF. 2. Disconnect the OCV connector. 3. Measure resistance between the OCV termina ...

5Door Side Body B
Side outer panel notch Side outer panel notch Side outer panel notch ...

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