Hyundai 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:
Active ECO operation
Active ECO helps improve fuel efficiency by controlling the engine and transaxle.
But fuel-efficiency can be changed by the driver's driving habits and road conditions.
When the Active E ...
Instrument Cluster. Repair procedures
Inspection
Speedometer
1.
Adjust the pressure of the tires to the specified level.
2.
Drive the vehicle onto a speedometer tester. Use whee ...
Cup holder
WARNING - Hot liquids
Do not place uncovered cups of hot liquid in the cup holder while the
vehicle is in motion. If the hot liquid spills, you may burn yourself. Such
a burn to the driver c ...
