How Does a Bad Catalytic Converter Affect the Oxygen Sensor?

Contaminated oxygen sensor affected by a failing catalytic converter.

A catalytic converter is a vital part of your vehicle’s exhaust system, designed to reduce harmful emissions. The oxygen sensor, working in conjunction with the catalytic converter, plays a crucial role in monitoring and optimizing the air-fuel mixture for efficient combustion. When the catalytic converter goes bad, it can significantly impact the performance and accuracy of the oxygen sensor, leading …

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