Kia Forte: Heated Oxygen Sensor (HO2S) Description

Heated Oxygen Sensor (HO2S) consists of zirconium and alumina and is installed both upstream and downstream of the Catalytic Converter. It 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.

Knock Sensor (KS) Installation

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

Heated Oxygen Sensor (HO2S) Specification

HO2S [Bank 1/Sensor 1] (Linear type) Item Specification Heater Resistance (Ω) 2.4 ~ 4.0 [20°C(68°F)] HO2S [Bank 1/Sensor 2] (Binary type) ...

See also:

Variable Charge Motion Actuator (VCMA) Inspection
1. Turn ignition switch OFF. 2. Disconnect the VCMA connector. 3. Check that the VCMA is not stuck by foreign ...

CVVT & Camshaft Inspection
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Hood switch Description
The hood switch is included as the influencing factors in the calculation of the ISG function. If the hood is open, the engine must not be started or stopped by the ISG function for safety re ...