Catalytic Converter: Description and Operation

Description
The Catalytic Converter is an emission control device added to the exhaust system to reduce hydrocarbon, carbon monoxide and oxides of nitrogen emissions.

Construction
The converter contains a honeycomb network coated with catalytic material containing platinum, palladium and rhodium. The catalytic material promotes oxidation and reduction of the pollutants as the exhaust gasess pass through the converter on their way to the tailpipe.

Oxygen Sensor
The catalytic converter also contains an heated oxygen sensor. This sensor is located at the converter outlet.

Fuel Requirements
The catalytic converter require the use of unleaded gasoline only. Unleaded gasoline is used to reduce deposits in the combustion chamber and on spark plugs, to extend engine oil life and to prevent lead contamination of the catalyst that will render it ineffective and result in the loss of emission system warranty coverage.