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Auto | Under the Hood | Exhaust & Emissions

This section can help you keep your exhaust system working properly. Learn how mufflers, catalytic converters and oxygen sensors work.


How does the oxygen sensor in a car work?

 How does the oxygen sensor in a car work?

How does the oxygen sensor in a car work? See more »

 What is a catalytic converter and how does it work?

What is a catalytic converter and how does it work? See more »