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:
Manual heating and air conditioning
The heating and cooling system can be controlled manually by pressing buttons
or turning knob(s) other than the AUTO button. In this case, the system works sequentially
according to the order of b ...
If the engine will not start
If engine doesn't turn over or turns over slowly
1. If your vehicle has an automatic transaxle, be sure the shift lever is in
N (Neutral) or P (Park) and the emergency brake is set.
2. Check t ...
Eco Coach
• What is Eco Coach?
Every 2.5 minutes, Eco Coach compares your fuel economy against the government
tested average (EPA) or other similar Hyundai models (community), based on your
preference. ...
