Kia Rio: Description - Heated Oxygen Sensor (HO2S) - Engine Control System - Engine Control / Fuel System - Kia Rio UB 2012-2024 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:

Interior Trim Components
[5 Door, 4 Door] 1 . Front pillar trim 2 . Center pillar upper trim 3 . Center pillar lower trim 4 . Rear pillar trim [5 Door] 5 . Front door scuff trim 6 . ...

Hood
Opening the hood 1.Pull the release lever to unlatch the hood. The hood should pop open slightly. Open the hood after turning off the engine on a flat surface, shifting the shift lever to the P( ...

Inspection
1. After disconnecting the vapor hose from the PCV valve, remove the PCV valve. 2. Reconnect the PCV valve to the vapor hose. ...

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