September 30: LEMON manuals is back up on a temporary server! Slowness is possible
Section 87 (Ignition/Glow Plug System 2.0L (DPAA))
WARNING: This page is about a different car, the 2022 Audi A4 Quattro and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.