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:

Front Door Components
1 . Front door trim 2 . Front door trim seal 3 . Front door panel 4. Front door belt inside weatherstrip 5 . Front door belt outside weatherstrip 6. Front door window glass ...

Ignition Coil: Installation
1. Install in the reverse order of removal. Ignition coil installation bolts: 9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 Ib-ft) ...

Front Hub / Knuckle Components
1. Snap ring 2. Bearing 3. Axle assembly 4. Brake disc dust cover 5. Wheel hub assembly 6. Wheel brake disc 7. Brake disc fixing screw ...

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