A faulty Oxygen Sensor is a primary reason for Failure of a Catalytic Converter. Car Manufacturers Recommend Replacement of O2 Sensors at 60,000 miles. If you are purchasing a New Catalytic Converter be sure the Oxygen Sensors are Checked and Operating Correctly!
ECLIPSE WITH 2.4L SOHC COUPE FRONT MANIFOLD CONVERTER TEST GROUP 1DSXV02.4GNG LEV LEV1 OR 1DSXV02.4GNH LEV LEV1 CA OR NY APPROVED - CARB COMPLIANT D193-99 PER CARB REQUIREMENTS THE TEST GROUP SHOWN HERE MUST MATCH THE TEST G