Kia Niro: 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).

Catalytic Converter (WCC)

Catalytic Converter (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 cha ...

CVVT (Continuous 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 calc ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Pressure Source Unit Repair procedures
Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery terminal. 2. Remove the air cleaner assembly. (Refer to Engine Mechanical System - "Air Cleaner") 3. Remove the brake fluid fro ...

Kia Niro 2017 (DE HEV) Service Manual: Components and components location
Components 1. Pressure Source Unit (PSU) 2. Integrated Brake Actuation Unit (IBAU) 3. Front wheel speed sensor 4. Rear wheel speed sensor ...

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