Hyundai Sonata: Exhaust Emission Control System / 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).
[WCC]

[UCC]

Description and Operation
Description Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components. Modifications to the combustion chamber, int ...

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. ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Releasing the parking brake
To release the EPB (Electronic Parking Brake), press the EPB switch in the following condition: Place the Engine Start/Stop button in the ON position. Depress the brake pedal. Make sure the Parking Brake Warning Light goes off. To release EPB (Electronic Parking Brake) automatically: Shift l ...

Hyundai Sonata LF 2014-2019 Service Manual: Rear Seat Folding Lever Repair procedures
Replacement 1. Fold the rear seat back assembly (A) by pulling the folding lever in the direction of the arrow. 2. After loosening the mounting bolts, then remove the rear seat folding lever (A). 3. Install in the reverse order of removal. ...

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