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!
LANCER WITH 2.0L REAR UNDER BODY CONVERTER ASSEMBLY TEST GROUP 4MTXV02.0GB2 LEV1 ULEV CALIFORNIA AND NEW YORK COMPLIANT EO D754 PER CARB REQUIREMENTS THE TEST GROUP SHOWN HERE MUST MATCH THE TEST GROUP OF YOUR VEHICLE. CALL FOR ASSISTANCE IF NEEDED (713)722-9212