Acura NSX 1997 Service Manual page 271

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Three Way Catalytic Converter (TWC)
Description
The Three Way Catalytic Converter (TWC) is used to convert hydrocarbons (HC), carbon monoxide (CO), and oxides of
nitrogen (NOx) in the exhaust gas to carbon dioxide (CO2), dinitrogen (N2) and water vapor.
Table of Contents
HOUSING
SECONDARY HEATED OXYGEN SENSOR (SENSOR 2)
THREE WAY
CATALYST
(cont'd)