Symptoms Of A Bad Catalytic Converter

Symptoms Of A Bad Catalytic Converter. One of the first symptoms commonly associated with a bad or failing catalytic converter is a reduction in engine performance. What are the symptoms of a bad or plugged catalytic converter. A catalytic converter is designed to remove harmful carbon dioxide gasses from the air we breath.

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Symptoms of a bad catalytic converter. Further small symptoms of a bad catalytic converter are. Check engine light turns on usually an illuminated check engine light is the first and only sign of a bad catalytic converter. The catalytic converter is built into the vehicle s exhaust system and as a result can affect the performance of the engine if it develops any problems. When the light pops on your car s engine control module ecm will also store a diagnostic trouble code often a p0420 code in its memory.

Black smoke coming from the exhaust pipe may be a symptom of a bad catalytic converter. If there is something wrong with your catalytic converter you ll probably experience one of a handful of indicators. Some of these common giveaways include. Reduced acceleration sluggish engine performance excessive heat under the vehicle dark exhaust smoke the smell of sulfur or rotten eggs from the exhaust.

Your vehicle s fuel efficiency drops suddenly.