Connector Coupling Allocation
WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The connector couplings for fuel, vacuum and breather lines are color-coded. There is either a colored dot on the connector coupling, or the release button has the corresponding color. Refer to Color Coding .