Kia Sportage: Exhaust Emission Control System
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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, in
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Drive mode
The drive mode may be selected according
to the driver's preference or road
condition.
Type A
Type B
Type C
The Drive mode is activated by turning
the knob.
NOTICE
If there is a problem with the instrument
cluster, the drive mode will be in NORMAL
mode and may
Description and Operation
Description
Continuous Variable Valve Timing (CWT) system advances or retards the valve
timing of the intake and exhaust
valve in accordance with the ECM control signal which is calculated by the
engine speed and load.
By controlling CVVT, the valve over-lap