SQL ERROR:Database error only visible to forum administrators Re: Why would a check engine light be on? - www.AudiV8.com - Audi V8 Forum / Audi A8 Forum
In my opinion, there are 5 ways to solve the problem. One: Replace Oxygen Sensor, Two: Loose or Faulty Gas Cap.Three: Replace Catalytic Convertor.Four: Replace Mass Airflow Sensor.Five: Replace Spark Plugs and Wires.