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, above the flywheel gear. It sends a message to the ECU via the grey wire T55/49 and then to the https://autolocksmith98764.blog-a-story.com/10339743/this-is-how-audi-a1-key-will-look-in-10-years-time