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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Removal
NOTE
Take care not to damage and scratch the hazard lamp switch assembly and
its related parts.
Apply the protective tapes to the hazard lamp switch assembly and its related
parts.
1. Disconnect the negative (-) battery terminal.
2. Remove the crash pad passenger's garnish (A)
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