How to Replace an Audi G28 Engine Speed Sensor Charles the Humble Technician teaches you how to replace the G28 Engine Speed Sensor. This sensor is situated near the transmission's edge over the flywheel gear. It sends a signal to the ECU via the grey wire (T55/49) which is then https://g2823931.thezenweb.com/10-things-that-everyone-doesn-t-get-right-concerning-audi-advanced-key-67670780