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
   - Systems of injection MPI and MPFI
      Operating procedure
      Malfunctions and independent diagnostics
      Independent repair
      Visual check
      Check of separate elements
      Removal of elements
      Trosovyj drive of "gas"
      Check of a mode of idling and the analysis of exhaust gases
      The list of malfunctions
+ 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 in house conditions cannot be spent in the absence of necessary instrumentations. However the certain sphere of action nevertheless remains.

Operating procedure

The management block cannot be checked up house means. Practice shows, however, that in any case of a malfunction from this party 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 all safety locks concerning system of injection (№ 13, 21, 27, 28 and 32). An order? Establish, whether the ignition system is perfectly in order. Check up fuel giving. Spend visual check of elements of system of injection. If thus malfunction has not been found, see the list of malfunctions in the end of the head, establish a possible source of malfunctions, check up a suspicious detail under the control scheme. If also it has not helped, interrogate in a workshop memory of the store of malfunctions within the limits of carrying out of diagnostics of the car. However, it will help only in case preliminary there was no switching-off of the storage battery as thus there is a full deleting of memory of the store of malfunctions.