Fuel Injectors --, Checking: General Description
WARNING: This page is about a different car, the 2018 Audi A3 Quattro, 2017 Audi A3 Quattro, 2016 Audi A3 Quattro, 2016 Audi A3, and 2015 Audi A3 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
The Cylinder Fuel Injectors -- are controlled by the Engine Control Module -J623- and mounted normal in the cylinder head. The fuel injectors spray high-pressure atomized fuel directly into the combustion chamber.