Hyundai Sonata: Exhaust Emission Control System / Catalytic Converter Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Emission Control System / 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 Service Manual: Knock Sensor (KS) Description and Operation
Description Knocking is a phenomenon characterized by undesirable vibration and noise and can cause engine damage. Knock Sensor (KS) is installed on the cylinder block and senses engine knocking. When knocking occurs, the vibration from the cylinder block is applied as pressure to the piez ...

Hyundai Sonata LF 2014-2019 Service Manual: Manifold Absolute Pressure Sensor (MAPS) Description and Operation
Description Manifold Absolute Pressure Sensor (MAPS) is a speed-density type sensor and is installed on the surge tank. It senses absolute pressure of the surge tank and transfers the analog signal proportional to the pressure to the ECM. By using this signal, the ECM calculates the intak ...