Camshaft Position Sensor, Removing And Installing: Notes
WARNING: This page is about a different car, the 2010 Audi A5, 2009 Audi A5, and 2008 Audi A5. However, it is still accessible from the selected car via links, so may be relevant.
For the locations of the four camshaft position sensors, see Component Location Overview OVERVIEW - FUEL INJECTION SYSTEM .