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Catalytic Converter: Description and Operation

Catalytic Converter System

Warm UP Three Way Catalytic Converter (WU-TWC)




The WU-TWC converts hydrocarbons (HC), carbon monoxide (CO), and oxides of nitrogen (NOx) in the exhaust gas to carbon dioxide (CO2), nitrogen (N2), and water vapor.

Three Way Catalytic Converter (TWC)




The TWC converts hydrocarbons (HC), carbon monoxide (CO), and oxides of nitrogen (NOx) in the exhaust gas to carbon dioxide (CO2), nitrogen (N2), and water vapor.