What issues have been reported with the catalytic converter in the 2007 Mazda CX 7?

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Some common issues with the catalytic converter in a 2007 Mazda CX7 include the check engine light turning on, failing emissions tests, experiencing power loss in the engine, having difficulty starting the vehicle leading to sputtering, and noticing black smoke coming from the exhaust. To replace the catalytic converter, you should first lift the vehicle and then locate the converter on the exhaust system. Remove the heat shield and then take out the converter. Remember to jack up the vehicle on a flat and secure surface. The cost of a replacement can vary from $150 to $300 depending on the brand and quality of the part.

What issues have been reported with the catalytic converter in the 2007 Mazda CX 7?

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