Kia Sportage: Exhaust Emission Control System / Catalytic Converter Description and operation
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).
Catalytic Converter (WCC)

Catalytic Converter (UCC)

Description
Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications
and the addition of special control components.
Modifications to the combust ...
Removal
WCC
1.
Remove the exhaust manifold.
(Refer to Engine Mechanical System - "Exhaust Manifold")
UCC
1.
R ...
Other information:
Removal
1.
Remove wheel nuts, wheel and tire (A) from hub.
Tightening torque:
107.9 - 127.5 N·m (11.0 - 13.0 kgf·m, 79.6 - 94.0 lb·ft)
...
Inspection
1.
Measure the pressure of high pressure line by measuring voltage output
between terminals “1” and “2”.
2.
Inspect the voltage value to determine whether it is within specification.
...