Does a Catalytic Converter Go Bad?

Diagram of a car’s exhaust system highlighting a catalytic converter that is going bad, with signs like physical damage, carbon build-up, and a check engine light.

When maintaining your vehicle, you might find yourself asking, “Does a catalytic converter go bad?” The answer is yes, catalytic converters can and do go bad over time. This vital component of your vehicle’s exhaust system plays a crucial role in reducing harmful emissions by converting toxic gases into less harmful substances. However, like any other part of your car, …

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