While discussing catalytic converter diagnosis, Technician A says a delta temperature test should be conducted. Technician B says a good converter is evident by low amounts of CO₂ in the tailpipe exhaust. Who is correct?

Question

Quizplus · Accepted Answer

Technician A is correct because a delta temperature test, which measures the temperature difference before and after the catalytic converter, is a common method for assessing its efficiency. Technician B's statement is incorrect because "CO₂" does not represent a known substance related to exhaust emissions or catalytic converter function.

While Discussing Catalytic Converter Diagnosis, Technician a Says a Delta