[Image of a diagram showing the location of the EGR on a 2.0L TDI S-Line Audi A3]
The EGR valve is located on the left side of the engine, near the top. It is connected to the exhaust manifold by a pipe, and to the intake manifold by another pipe. The EGR valve is controlled by a solenoid, which opens and closes the valve to allow exhaust gas to flow into the intake manifold.