How to Replace an Audi G28 Engine Speed Sensor In this video, Charles the humble mechanic demonstrates how to replace the G28 engine speed sensor. The sensor is located near the transmission's edge over the flywheel gear. It transmits a signal the ECU via a grey wire (T55/49), then to https://car-locksmith29129.theobloggers.com/35981937/why-is-audi-advanced-key-so-effective-when-covid-19-is-in-session