Spark Test: Notes
WARNING: This page is about a different car, the 2001 Audi S4 and 2001 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
A4 and S4 1.8L, 2.7L & 4.2L engines are equipped with a single-coil system with individual coils mounted directly to spark plug connector for each cylinder. No spark testing procedure is available from manufacture.