Audi 80/Avant (B4)

since 1991-1995 release

Repair and operation of the car



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
- System of injection
   + System of injection Mono-Motronic
   + System of injection Digifant
   + System of injection 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 the 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 electrical system
+ System of ignition
+ Lighting
+ Signaling 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 due to the lack of necessary instrumentations. However the defined field of activity nevertheless remains.

Operating procedure

The control unit cannot be checked by house means. Practice shows, however, that anyway 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 work as follows:

 PERFORMANCE ORDER

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







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