Hyundai Sonata: Catalytic Converter. Description and Operation - Exhaust Emission Control System - Emission Control SystemHyundai Sonata: 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).
There are two types of three-way catalyst; Palette type and Monolith type.
[SULEV]

[ULEV]


    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, ...

    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 ...

    See also:

    Recommended lubricants and capacities
    To help achieve proper engine and powertrain performance and durability, use only lubricants of the proper quality. The correct lubricants also help promote engine efficiency that results in impro ...

    Explanation of scheduled maintenance items
    Engine oil and filter The engine oil and filter should be changed at the intervals specified in the maintenance schedule. If the car is being driven in severe conditions, more frequent oil and fi ...

    Trailer towing
    We do not recommend using this vehicle for trailer towing. ...