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!
MOUNTAINEER WITH 4.6L TEST GROUP 3FMXT04.62F6 LEV LEV1 OR 3FMXT04.62F7 LEV LEV1 CALIFORNIA APPORVED - CARB COMPLIANT D193-103 PER CARB REQUIREMENTS THE TEST GROUP SHOWN HERE MUST MATCH THE TEST GROUP OF YOUR VEHICLE. CALL FOR ASSISTANCE IF NEEDED (713)722-9212 F YOUR VEHICLE. CALL FO