Audi A4, S4

since 2000 release

Repair and operation of the car


Audi A4, S4
+ Introduction
+ Governing bodies and methods of safe operation
+ Current leaving and service
+ Engine
+ Cooling systems, heating and air conditioner
+ Power supply systems, release and decrease in toxicity of the fulfilled gases
- Systems of electric equipment of the engine
   - System of ignition and engine management
      Main data and security measures
      Checks of a control system of ignition and injection
      Search of malfunctions - the general information and preliminary checks
      Check and adjustment of a corner of an advancing of ignition
      Spark plugs
   + System of preheat of the diesel engine
   + Diagnostics of systems of electronic control and diagnostic equipment
   + Systems of charging and start
+ Manual box of gear shifting
+ Automatic transmission
+ Coupling, power shafts and differential
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment





Check and adjustment of a corner of an advancing of ignition

The ignition advancing corner constantly changes a control system of the engine. External correction is impossible.

The corner can be checked by means of the special equipment attached to the diagnostic socket of a control system of the engine (address to the Section of the Power supply system of petrol and diesel engines. If the corner is established incorrectly, the control system of the engine is faulty.