How to Replace an Audi G28 Engine Speed Sensor Charles the Humble Technician shows how to replace the G28 Engine Speed Sensor. This sensor is situated near the transmission's edge over the flywheel gear. It transmits a signal the ECU via an uncolored wire (T55/49), then to the tachometer within https://autolocksmith89181.blogsidea.com/36467617/why-everyone-is-talking-about-audi-advanced-key-right-now