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Hyundai Veloster: Heated Oxygen Sensor (HO2S). Description and Operation - Engine Control System - Fuel SystemHyundai Veloster: Heated Oxygen Sensor (HO2S). Description and Operation

Hyundai Veloster 2011-2017 Service Manual / Fuel System / Engine Control System / Heated Oxygen Sensor (HO2S). Description and Operation

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.


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) 2.4 ~ 4.0 [20°C(68°F)] HO2S [Bank 1/Sensor 2 ...

See also:

Components and Components Location
Components 1. Pulley 2. Front housing 3. Front bearing 4. Stator 5. Rotor 6. Rear bearing 7. Rear housing 8. Regulator assembly 9. Through bolt ...

Rear Coil Spring. Repair procedures
Replacement 1. Remove the rear wheel & tire. Tightening torque : 88.3 ~ 107.9N.m(9.0 ~ 11.0kgf.m, 65.1 ~ 79.6lb-ft) ...

Front Components and Components Location
Components-1 1. Front bumper cover 2. Front bumper side bracket [LH] 3. Front bumper side bracket [RH] Components-2 (T-GDI) 1. Front b ...

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