Engine Codes For Audi TT Audi TT Engine Size Audi TT Engine Codes Fuel Type Production Years 1.8 Litre AJQ Petrol (1998 TO 2002) 1.8 Litre AMU Petrol (2000 TO 2002) 1.8 Litre APP Petrol (1999 TO 2002) 1.8 Litre APX Petrol (1998 TO 2002) 1.8 Litre ARY Petrol (2000 TO 2005) 1.8 Litre AUM […]