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
      Ljambda-regulation
      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



The list of malfunctions

KE-III-Jetronic

Malfunction
Its reason
Than to help
A.Holodnyj the engine is not got 1. The regulator of pressure does not regulate pressure to a filling aperture плунжера or does it incorrectly
2. The faulty distributive valve of stabilisation of idling
3. The starting valve does not inject fuel
4. The starting valve негерметичен, a defective lining
5. It is incorrectly established запорный the valve
6. A heavy course запорного the valve or an operating zolotnik
7. In the engine not considered air arrives
To check up in a workshop a regulator of pressure and the management block

To check up

To check up the starting valve
To check up tightness

To check up installation
To check up
To check up all pipelines and фланцевые connections

V.Progretyj the engine is not got 1. See And 1, 5 and 6
2. Негерметичность atomizers, too low pressure of the beginning of opening
3. Too low pressure in system
4. Too rich gas mixture in an idling mode
5. Too poor gas mixture in an idling mode
To check up (in a workshop)
To measure in a workshop
To adjust in a workshop the maintenance WITH
To adjust in a workshop the maintenance WITH
S.Holodnyj the engine shivers in an idling mode 1. See And 1, 2, 4, 5 and 7
2. See In 2
 
D. The cold engine works in a mode of dispersal with faults 1. See А3
2. The faulty gauge of angular moving throttle заслонки
To check up
E.Progretyj the engine shivers in an idling mode 1. See And 1, 2, 6 and 7
2. See In 4 and 5
 
F. Return flashes in a final collector 1. See And 1
2. See In 5
 
G. Flashes in a final collector 1. See And 1 and 4
2. See In 4
3. The fuel pump does not work
The Fuel tank and the fuel pump »see the head«
N.Dvigatel works with faults, глохнет 1. The fuel pump works non-uniformly
2. Pressure of fuel in system does not correspond to norm
To measure in a workshop submitted quantity of fuel
To measure and adjust in a workshop
I. Insufficient capacity of the engine 1. See And 1, 4, 6 and 7
2. See In 4 and 5
3. Insufficient productivity of the fuel pump
4. Throttle заслонки do not rise in position of full "gas"
To measure in a workshop submitted quantity of fuel
To adjust тросовый a drive of "gas" or to check connection with throttle заслонками
J. The engine continues to work after ignition deenergizing 1. See And 4, 5 and 6
2. See In 2
 
K.Slishkom the high expense of fuel 1. See And 1 and 4
2. See In 4
 
L. The heated-up engine works in an idling mode on too high turns See And 2