audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Campaign 91E6 - Various Vehicle Updates|Page 4375 > < Campaign 91E6 - Various Vehicle Updates|Page 4373
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Engine Control Module: Description and Operation

Engine Control Module

 The ECM regulates fuel injection, throttle valve control module, oxygen sensor regulation, ignition, knock control, evaporative emission purge valve,
engine speed limitation through the fuel injectors or the power supply relay, as well as OBD functions. For locations, removal/installation procedures,
refer to the service information.

Campaign 91E6 - Various Vehicle Updates|Page 4375 > < Campaign 91E6 - Various Vehicle Updates|Page 4373