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Q: catalytic converter on 2002 Mercedes-Benz C240

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How do you know if you have a bad catalytic converter?
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You will have a check engine light on, and possibly some driveability issues like lack of power, poor fuel mileage etc. Here is an important article about this issue, http://repairpal.com/catalytic-converters-dont-usually-die-theyre-killed
My cat just went out on my truck- complete loss of power- could be mistaken for a tranny problem but the cat will "bog" your engine down.
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