Audi Q7 Owners & Service Manuals

Audi Q7: Description and Operation

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 On Board Diagnostic Systems

On Board Diagnostics, or OBD, is an automotive term referring to a vehicle's self-diagnostic and reporting capability. OBD systems give the vehicle owner or repair technician access to the status o

 Electronic Throttle Control (ETC) System

The electronic throttle control (ETC) system consists of the accelerator-pedal module, the engine control module (ECM), and the electronic throttle body. The electronic throttle body mainly consist

 Ignition and Timing

Ignition A spark ignition (SI) engine requires a spark to initiate combustion in the combustion chamber. Voltage is supplied to the spark plug where the electricity will arc across a gap at a volta

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 Engine Cover

Engine Cover, Removing and Installing Removing - Remove the air filter housing. Refer to → Chapter "Air Filter Housing, Removing and Installing". - Free up the vacuum hoses -1 and 3-. - Carefully pull the engine cover -2- off of the retaining pins one after the other in direc

 Sensors

Overview - Front Axle Speed Sensor 1 - Wheel Bearing Housing Clean the inner surface of the hole before inserting the speed sensor. 2 - Front Speed Sensor Right Front ABS Wheel Speed Sensor -G45- Left Front ABS Wheel Speed Sensor -G47- Refer to → Chapter "Right

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