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!
ELANTRA WITH 2.0L UNDERBODY CONVERTER ASSEMBLY INCLUDES RESONATOR TEST GROUP EHYXV02.0AGE LEV2 ULEV CALIFORNIA AND NEW YORK COMPLIANT EO D193-141 PER CARB REQUIREMENTS THE TEST GROUP SHOWN HERE MUST MATCH THE TEST GROUP OF YOUR VEHICLE. CALL FOR ASSISTANCE IF NEEDED (713)722-9212