If thats the case the your car'scomputer has a catalyst effeciency code stored right? This means the 02 sensor behind the converter is switching too much. So it's either a bad sensor or a bad converter. The cost can vary wideley depending on if a direct fit, Hyundai part, or a universal converter is used. But I would ball park the job ar 600.00.
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Saturday, September 20th, 2008 AT 5:24 PM