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:

    Repair procedures
    Inspection Check it by the procedure below to see if the function of the ECM is normal. 1. Turn the ignition key to the "ON" position. 2. ...

    Side repeater light bulb replacement
    If the light bulb is not operating, have the vehicle checked by an authorized HYUNDAI dealer. ...

    Closing the trunk
    To close the trunk, lower the trunk lid, then press down on it until it locks. To be sure the trunk lid is securely fastened, always check by trying to pull it up again. WARNING The trunk lid sh ...