Audi O2 Sensor Wiring. VW Audi 40 O2 Oxygen Connector Harness. Screw in the new Audi O2 sensor after applying a tiny bit of anti seize again.
That photograph Audi Engine Diagrams Audi A Oxygen Sensor Wiring Diagram Audi with 2003 Audi A4 Engine Diagram earlier mentioned is usually labelled together with. This article applies to the Audi A3 and A4 B7 1996-2008. If you are using a universal oxygen sensor you will need to use the diagram that came with the sensor to find out which wires to splice.
Undo the sensor from the connection at the firewall and fish the end of the sensor out.
Obviously replacing the sensor was not the proper fix. 2003 audi a4 18 engine diagram 2003 audi a4 18 quattro engine diagram 2003 audi a4 18t engine diagram. Turn the multimeter to the minivolts or MV setting. M18 sensors Install-finger tight then 12 34 turn with wrenchO2 sensor socket 26 33ft.