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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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
Reduce the speed and shift to a lower
gear before you start down a long or
steep downgrade. If you don't shift
down, you might have to use your
brakes so much that they would get hot
and no longer operate efficiently.
On a long uphill grade, shift down and
reduce your speed to around 45