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!
BEETLE ALL WITH 2.0L AND 1 SENSOR PORT UNDER BODY CONVERTER TEST GROUP 4VWXV02.0223 LEV LEV2 CA OR NY APPROVED - CARB EXECUTIVE ORDER D193-125 PER CARB REQUIREMENTS THE TEST GROUP SHOWN HERE MUST MATCH THE TEST GROUP OF YOUR