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
      Operating procedure
      Malfunctions and independent diagnostics
      Independent repair
      Visual check
      Check of separate elements
      Check of the mode of idling and analysis of exhaust gases
      Check of catalytic converter and lambda probe
      Hummock drive of "gas"
      List of malfunctions
   + System of injection Digifant
   + System of injection KE-III-Jetronic
   + Systems of injection of MPI and MPFI
+ 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





Malfunctions and independent diagnostics

The control unit of system of injection Mono-Motronic can distinguish and write down a part of malfunctions which arise during operation of the engine in memory. If malfunction did not arise again during the subsequent 10 starts of the engine (sporadic malfunction), then it is automatically erased from memory of the control unit. Information on constantly arising failures is read out at inspection check in a workshop by means of the special device; in house conditions this work cannot be executed. If you suspect malfunction of management of ignition/injection, then it is possible to decipher indications of the store of malfunctions only in a workshop. In addition you can use our list of malfunctions in which we provided a large number of possible failures, even such which not to establish by own diagnostics. After elimination of malfunctions memory of the store of malfunctions is erased by the reading device.








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