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:
Valve Body. Specifications
Specification
Piece
3pcs
Spool
20ea
Control
Full line pressure variable control
Torque converter release control
...
Repair procedures - Revised
Fuel Pressure Test
1.
Release the residual pressure in fuel line (Refer to “Release
Residual Pressure in Fuel Line” in this group).
...
How to use this manual
We want to help you get the greatest possible driving pleasure from your vehicle.
Your Owner’s Manual can assist you in many ways. We strongly recommend that you
read the entire manual. In order ...
