L letsoga New member Mar 22, 2012 #1 Which (oxygen)O2 sensor is Bank1 Sensor1 on Audi A3 1.8T 2003 model? Is it the one with five(5) wires or four(4) wires?
Which (oxygen)O2 sensor is Bank1 Sensor1 on Audi A3 1.8T 2003 model? Is it the one with five(5) wires or four(4) wires?