Catalytic Converter, Checking: Function
A catalytic converter is a vehicle emissions control device that converts toxic pollutants in exhaust gas to less toxic pollutants by catalyzing a redox reaction (oxidation or reduction). Catalytic converters are used in internal combustion engines.
General recommendations
Observe all safety precautions: SAFETY PRECAUTIONS .
View clean working conditions: CLEAN WORKING CONDITIONS .
Prior to repair work, perform a preliminary check to verify the condition. Refer to PRELIMINARY CHECK .