Hyundai Veloster Manuals

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:

High Mounted stop lamp. Repair procedures
Removal 1. Disconnect the negative(-) battery terminal. 2. Remove the tailgate center trim. (Refer to the BD group - "Exterior - T ...

Injector. Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the injector connector. 3. Measure resistance betwee ...

Relay Box (Passenger Compartment). Repair procedures
Fuse Inspection 1. Be sure there is no play in the fuse holders, and that the fuses are held securely. 2. Are the fuse capacities for each ...

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