Audi A4

Since 1994 of release

Repair and car operation



Audi А4
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ Exhaust system
+ Cooling system
+ Fuel tank and the fuel pump
+ The air filter and channels всасывания
- Injection system
   + System of injection Motronic
   - System of injection MPI and MPFI
      Additional functions
      Knots of system of injection
      Functioning
      Adjustment by means of a ljambda-probe
      Infringements in work and self-diagnostics
      The self-help
      The visual control
      Check of knots
      Dismantle of separate details
      Cable throttle заслонки
      Inlet collector
      Idling adjustment
      Check of the fulfilled gases
      The help at malfunctions
+ Coupling
+ Transmission and the main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tyres
+ The electrotechnical equipment
+ Ignition system
+ Illumination
+ The alarm equipment
+ Tools and devices
+ Heating and ventilation
+ Body details
+ Salon
Search of malfunctions
Technical characteristics



The self-help

Way of action

Unfortunately, many kinds of checks are inaccessible to the fan in the absence of the necessary control devices. Nevertheless nevertheless there is a certain field for activity.

The management block cannot be checked up amateur means. But also in practice in this area defects arise seldom. Incomparably more often the occasion to claims is given by gauges, switches and connections of wires.

Therefore at defect occurrence it is recommended to operate as follows:

  • Whether all safety locks which are connected with injection (№ 28, 29, 32 and 34) are perfectly in order?
  • Be convinced that ignition is perfectly in order.
  • Check up fuel giving.
  • Spend visual check of knots of system of injection.

  • If as a result of the listed checks the source of malfunctions is not found, study in the end of this chapter has undressed the Help at malfunctions, reveal possible sources of malfunctions, check up under the instruction suspicious knot.
  • If it has not led to success, consider in a workshop the computer of the block of management within the limits of car diagnostics. But it is possible only in the event that the accumulator before has not been disconnected. Otherwise the information in a memory is completely erased.