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.

Knock Sensor (KS). Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Remove the intake manifold (Refer to “Intake ...

Heated Oxygen Sensor (HO2S). Specifications

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

See also:

Wheel alignment and tire balance
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Components and Components Location
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Seat belt - Driver's 3-point system with emergency locking retractor
To fasten your seat belt: To fasten your seat belt, pull it out of the retractor and insert the metal tab (1) into the buckle (2). There will be an audible "click" when the tab locks ...