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Audi G28: The Good, The Bad, And The Ugly

How to Replace an Audi Car key Case G28 Engine Speed Sensor

In this video, Replacement Audi Key Cost Uk Charles the humble mechanic demonstrates how to replace the G28 engine speed sensor. This sensor audi tt key fob is situated near the transmission's edge just above the flywheel gear. It transmits a signal to the ECU through the grey wire T55/49 and then to the tachometer on the instrument cluster.

1. Engine Speed Sensor

The sensor is located at the edge of the transmission, above the flywheel ring gear, the G28 Engine Speed Sensor Key Audi sends a signal to ECU pin T55/49 using an uncolored wire. The ECU then utilizes this information to regulate fuel, timig and Spare boost. It also sends an indication to the G5 Tachometer within the instrument cluster.

The sensor is used to correlate the G40 Camshaft position Sensor. The ecu needs to know when the crankshaft is TDC and where the camshaft is so it can start spark and injectors accordingly.

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