Technician A says a catalytic converter breaks down HC and CO to relatively harmless by-products. Technician B says OBD-II regulations call for a monitoring system that looks at the effectiveness of the converter. Who is correct?
A) A only
B) B only
C) both A and B
D) neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct because catalytic converters are designed to reduce harmful emissions like hydrocarbons (HC) and carbon monoxide (CO) into less harmful substances. Technician B is also correct because OBD-II regulations require vehicles to have systems that monitor the efficiency of the catalytic converter to ensure it is functioning properly.

Technician a Says a Catalytic Converter Breaks Down HC and CO