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:

Air bag warning label (if equipped)
  Air bag warning labels, some required by the U.S. National Highway Traffic Safety Administration (NHTSA), are attached to alert the driver and passengers of potential risks of the ...

Changing the coolant
Have coolant changed by an authorized HYUNDAI dealer according to the Maintenance Schedule at the beginning of this section. CAUTION Put a thick cloth or fabric around the radiator cap before refi ...

Normal maintenance schedule
The following maintenance services must be performed to ensure good emission control and performance. Keep receipts for all vehicle emission services to protect your warranty. Where both mileage a ...