Kia Sorento: Heated Oxygen Sensor (HO2S)

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.

Installation

   • Install the component with the specified torques. • ...

Specification

HO2S [Bank 1/Sensor 1] Item Specification Heater Resistance (Ω) 2.5 ~ 4.0 [20°C(68°F)] HO2S [Bank 1/Sensor 2] A/F Ratio (λ) ...

See also:

IPM Description
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Intake Manifold Components
1. Intake manifold assembly 2. Electronic throttle body 3. Intake manifold stay 4. Intake manifold gasket ...

All wheel drive (AWD)
Engine power can be delivered to all front and rear wheels for maximum traction. AWD is useful when extra traction is required on roads, such as, when driving on slippery, muddy, wet, or snow-cove ...