Engine control, Bottom part of the control unit housing, All <a href="https://garage.wiki/volkswagen/engines/gasoline/straight-4/20-liters/ccza/" title="Volkswagen gasoline straight-4 2.0 Liters CCZA engine DIY maintenance and service manual">Volkswagen gasoline straight-4 2.0 Liters CCZA</a> engines

by Roman Paulov