How is a Bad Catalytic Converter Diagnosed?

Mechanic using a diagnostic tool to read error codes related to the catalytic converter.

A catalytic converter is an essential component of your vehicle’s exhaust system, designed to reduce harmful emissions and improve air quality. When it fails, it can significantly impact your vehicle’s performance and emissions compliance. Diagnosing a bad catalytic converter involves several steps to identify and confirm the problem. Understanding how to diagnose this issue can help you take timely action …

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Why Does a Bad Catalytic Converter Throw a Code?

Why Does a Bad Catalytic Converter Throw a Code?

Catalytic converters reside near the end of your exhaust system and convert harmful gasses to less harmful ones via chemical reactions, providing increased fuel efficiency and performance benefits. A failed catalytic converter could lead to misfire or engine stallage resulting in lower fuel economy or performance for your engine. Check engine light codes can also illuminate, along with unwelcome rattle-like …

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Can Bad Gas Cause Catalytic Converter Codes?

Can Bad Gas Cause Catalytic Converter Codes?

As soon as you arrive at your destination, make sure that the air-fuel mixture has been checked with a code scanner and that both front and rear oxygen sensors are working as intended. Next, inspect the exhaust system. If white, black, or blue smoke appears from its exhaust port(s), an inspection should take place immediately. Cylinder Malfunction Your car’s engine …

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