Check Engine Light Due to Faulty Torque Converter : Audi A6 Quattro Common Drive Train ProblemsdoylestownautoJanuary 29, 2016Audi Repair, Audi repair shop See full story on Check Engine Light Due to Faulty Torque Converter : Audi A6 Quattro Common Drive Train Problems Related ContentAudi, VW and Porsche Repair DoylestownIMS Bearing Porsche 996 Repair Doylestown2007 BMW X# ABS and Traction control light coming onBMW X5 Brake Line Rusty and Leaking2016 Volvo XC90