Audi A4, S4
Introduction
Controls and receptions of safe operation
Current leaving and service
The engine
Systems of cooling, heating and the air conditioner
- Power supply systems, release and decrease in toxicity of the fulfilled gases
    Power supply systems of petrol and diesel engines
   - System of injection of fuel of the petrol engine
      The general data and security measures
      Functioning of a control system and injection of the petrol engine
      The general check of system of injection of the petrol engine
      Check and adjustment of number of turns of a single course/moment of ignition/concentration WITH
    System of injection of fuel of the diesel engine
    Systems of release and decrease in toxicity of the fulfilled gases. Турбокомпрессор
Systems of an electric equipment of the engine
Manual box of a gear change
Automatic transmission
Coupling, power shafts and differential
Brake system
Suspension bracket and steering
Body
Onboard electric equipment












Check and adjustment of number of turns of a single course/moment of ignition/concentration WITH

Within the limits of maintenance service carrying out adjustment of number of turns of a single course/moment of ignition and concentration is not required WITH since the specified values are continuously regulated by an electronic control system.

If the valid operational values differ from set the reason lies in damage of an element of system which should be replaced. The qualified check of a control system by the engine is possible only with application of special devices.

The number of turns of idling can be a little changed reprogramming of the block of management by means of the diagnostic device.