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
   - System of injection KE-III-Jetronic
      Basic elements
      Operating procedure
      Malfunctions and independent diagnostics
      Independent repair
      Visual check
      Check of separate elements
      Search of malfunctions
      Removal of components
      Check of a mode of idling and the analysis of exhaust gases
      The list of malfunctions
   + 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, numerous checks of system of injection cannot be spent in house conditions in the absence of necessary instrumentations. However the certain sphere of action nevertheless remains.

Operations procedure

The management block cannot be checked up house means. Practice shows also that from this party of a malfunction trap extremely seldom. Bring gauges, switches and connections of wires is much more often. Therefore in the presence of a malfunction it is necessary to operate as follows:


    Check up, whether the ignition system is perfectly in order. Check up supply by fuel. Spend visual check of elements of system of injection (the following section see). If thus malfunction has not been found, see the list of malfunctions in the end of the head. Or check up in a workshop the store of malfunctions. Thus find out a possible source of malfunctions, check up a suspicious detail under the control scheme.