Audi A4, S4

since 2000 of release

Repair and car operation



Audi A4, S4
+ Introduction
+ Governing bodies and receptions of safe operation
+ Current leaving and service
+ Engine
+ Systems of cooling, heating and 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
      General information and security measures
      Functioning of a control system and injection of the petrol engine
      General check of system of injection of the petrol engine
      Check and adjustment of number of turns of the single course/the 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. Turbokompressor
+ Systems of electric equipment of the engine
+ Manual box of gear shifting
+ Automatic transmission
+ Coupling, power shafts and differential
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment


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

Within carrying out maintenance adjustment of number of turns of the single course/the moment of ignition and concentration is not required WITH since the specified values continuously are 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 use of special devices.

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