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Auto Parts and Repairs
Catalytic Converters
Oxygen Sensors
Mazda 626

Is it absolutely necessary to replace a bad catalytic converter or can a car run on a bad one?


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Wiki User
2015-07-16 18:10:36
2015-07-16 18:10:36

A defective "cat" becomes a plug for the exhaust system. Not only will you notice a great lack of power, but it isn't good for the engine.

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Replace the catalytic converterReplace the catalytic converter

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Replace the catalytic converter.Replace the catalytic converter.

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Legally you can only replace a catalytic converter with another catalytic converter.

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Yes you can replace a catalytic converter. No you cannot replace it with resonators. It is illegal and the engine will not run correctly.


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