Accord LX Sedan L4-2254cc 2.3L SOHC (VTEC) MFI (1998)
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Three Way Catalytic (TWC) Converter: Description and Operation
The TWC (Three-Way Catalytic Converter) converts hydrocarbons (HC), carbon monoxide (CO), and oxides of nitrogen (NOx) in the exhaust gas to
carbon dioxide (CO2), dinitrogen (N2), and water vapor.