Catalytic Converter: Description and Operation

Three Way Catalytic Converters

The catalytic converters each contain two bricks coated with palladium/rhodium. These elements are utilized to control the emissions of hydrocarbons (HC), carbon monoxide (CO) and oxides of nitrogen (NOx) from the engine.

Oxidation Catalytic Converter

The catalytic converter contains a brick coated with platinum. This element is utilized to control the emissions of hydrocarbons (HC), carbon monoxide (CO) and particles of matter from the engine.