How to Replace an Audi G28 Engine Speed Sensor In this video Charles the Humble Mechanic shows how to replace the G28 engine speed sensor. The sensor is situated on the edge of the transmission, above the flywheel ring gear. It sends a message to the ECU via a grey https://carlocksmiths06641.dm-blog.com/30133401/its-history-of-audi-a1-key