Audi 80/Avant (B4)

Since 1991-1995 of release

Repair and car operation

Audi 80/Avant
+ The description
+ Engines
+ System of release of the fulfilled gases
+ Cooling system
+ Fuel tank and the fuel pump
+ The air filter and воздухозаборные 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
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Antiblocking system of brakes
+ Wheels and tyres
+ Kuzovnaja electrosystem
+ Ignition system
+ Illumination
+ Signalling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ Body elements
+ Search of malfunctions
+ Specifications


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:


    If the car is not got, check up first of all, whether as it should be ignition system. Then supply by fuel is checked. Further visual check of parts of system of injection is spent. 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.