Engine control, Bottom part of the control unit housing, All <a href="https://garage.wiki/audi/engines/gasoline/straight-4/20-l/chja/" title="Audi gasoline straight-4 2.0 L CHJA engine DIY maintenance and service manual">Audi gasoline straight-4 2.0 L CHJA</a> engines, Variant 2

by Roman Paulov