Catalytic Converter: Description and Operation

Fuel and Emissions System Description - Catalytic Converter System

Catalytic Converter System

Warm Up/Three Way Catalytic Converter (WU-TWC) and Under-Floor Three Way Catalytic Converter (Under-Floor TWC)

The WU-TWC/Under-Floor 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.

WU-TWC





UNDER-FLOOR TWC