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!
TIBURON WITH 2.7L REAR MANIFOLD CONVERTER FIREWALL SIDE BANK 1 TEST GROUP 5HYXV02.7KL9 LEV LEV1 OR 5HYXV02.7FL9 LEV LEV1 CA OR NY APPROVED - CARB COMPLIANT D193-99 D193-106 PER CARB REQUIREMENTS THE TEST GROUP SHOWN HERE MUS