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: Troubleshooting
Troubleshooting Error Item Failure symptom Inspection items Detailed inspections Relevant Parts/ Components Screen display LCD screen does not turn on 1) Conn ...

Kia Niro 2017 (DE HEV) Service Manual: General information
Basic Service Symbols There are five primary symbols used to complement illustrations. These symbols indicate the part to apply such materials during service. Symbol Meaning Do not reuse the part. Replace a new one. ...

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