Hyundai Sonata: Exhaust Emission Control System / Catalytic Converter Repair procedures

Removal
1.
Remove the exhaust manifold.
(Refer to Engine Mechanical System - "Exhaust Manifold")
Installation
1.
Install in the reverse order of removal.
Catalytic Converter Description and Operation
Description The catalytic converter of the gasoline engine is a three way catalyst. It oxidizes carbon monoxide and hydrocarbons (HC), and separates oxygen from the oxides of nitrogen (NOx). [ ...

CVVT (Continuously Variable Valve Timing) System Description and Operation
Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Heated Oxygen Sensor (HO2S) Specifications
Specification HO2S [Bank 1/Sensor 1] (Linear type) ItemSpecificationHeater Resistance (?)2.4 ~ 4.0 [20°C(68°F)] ItemSpecificationHeater Resistance (?)Approx. 9.0 [20°C(68°F)] HO2S [Bank 1/Sensor 2] (Binary type) A/F Ratio (?)Output Voltage(V)RICH0.6 ~ 1.0LEAN0 ~ 0.4 ItemSpeci ...

Hyundai Sonata LF 2014-2019 Owners Manual: Temperature control
Turn the knob to the right to increase the fan speed and airflow. Turn the knob to the left to decrease fan speed and airflow. The temperature will increase or decrease by 1°F/0.5°C for each button press. When set to the lowest temperature setting, the air conditioning will operate continuously ...

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