Audi 80/Avant (B4)

Audi 80/Avant
The description
System of release of the fulfilled gases
Cooling system
Fuel tank and the fuel pump
The air filter and intake channels
- Injection system
    System of injection Mono-Motronic
   - System of injection Digifant
      Operating procedure
      Malfunctions and independent diagnostics
      Independent repair
      Visual check
      Check of separate elements
      Removal впрыскных atomizers
      Check of a mode of idling and the analysis of exhaust gases
      The list of malfunctions
    System of injection KE-III-Jetronic
    Systems of injection MPI and MPFI
Transmission and transmission
Suspension bracket and steering
Brake system
Antiblocking system of brakes
Wheels and tyres
body electrosystem
Ignition system
Signalling devices
Devices and auxiliary devices
Heating and ventilation
Body elements
Search of malfunctions

Independent repair

Unfortunately, deep repair at malfunctions of system of injection is impossible, because for more thorough checks presence of instrumentations is necessary first of all. Special measuring devices and control tips are necessary for numerous measurements – casually not to damage plug contacts. Therefore at a malfunction we recommend the next way of actions:


  1. If the car is not got, check up first of all, whether as it should be ignition system.
  2. Then supply by fuel is checked.
  3. Further visual check of parts of system of injection is spent.
  4. If thus malfunction has not been found, it is necessary to see the list of malfunctions in the end of the head and to check up in a workshop the store of malfunctions, to check up a suspicious detail under the specified scheme.

 The help: at an injection system crash at first it is necessary to check up safety locks №№ 13, 21, 25, 27 and 28.