Audi 80/Avant (B4)

since 1991-1995 of release

Repair and car operation

Audi 80/Avant
+ Technical specification
+ Engines
+ System of production of the fulfilled gases
+ cooling System
+ Fuel tank and fuel pump
+ Air filter and airintaking channels
- Injection system
   + System of injection of Mono-Motronic
   + System of injection of Digifant
   + System of injection of KE-III-Jetronic
   - Systems of injection of MPI and MPFI
      Operating procedure
      Lambda regulation
      Malfunctions and independent diagnostics
      Independent repair
      Visual check
      Check of separate elements
      Removal of elements
      Hummock drive of "gas"
      Check of a mode of idling and analysis of exhaust gases
      List of malfunctions
+ Coupling
+ Transmission and transmission
+ Suspension bracket and steering
+ Brake system
+ Anti-blocking system of brakes
+ Wheels and tires
+ Body electrosystem
+ ignition System
+ Lighting
+ 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 carried out in the absence of necessary instrumentations. However a certain field of activity nevertheless remains.

Operating procedure

The control unit cannot be checked by house means. Practice shows, however, that in any case malfunctions from this party trap extremely seldom. Bring sensors, switches and connections of wires much more often. Therefore in the presence of a malfunction it is necessary to operate as follows:

PERFORMANCE ORDER

Check all safety locks relating to system of injection (No. 13, 21, 27, 28 and 32). Order?
Establish, whether as it should be ignition system.
Check supply of fuel.
Carry out visual check of elements of system of injection.
If thus malfunction was not found, see the list of malfunctions at the end of head, establish a possible source of malfunctions, check a suspicious detail according to the control scheme.
If it did not help, interrogate in a workshop memory of the store of malfunctions within carrying out diagnostics of the car. However, it will help only in case previously there was no shutdown of the storage battery as thus there is a complete deleting of memory of the store of malfunctions.