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
      Basic elements
      Operating procedure
      Lambda 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 analysis of exhaust gases
      List of malfunctions
   + 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 electrosystem
+ ignition System
+ Lighting
+ Signalling devices
+ Devices and auxiliary devices
+ Heating and ventilation
+ body Elements
+ Search of malfunctions
+ Specifications





List of malfunctions

KE-III-Jetronic

Malfunction
Its reason
Than to help
And. The cold engine is not got 1. The regulator of pressure does not regulate pressure to a filling opening of a plunzher or does it incorrectly
2. Faulty distributive valve of stabilization of idling
3. The starting valve does not inject fuel
4. The starting valve is not tight, defective laying
5. The locking valve is incorrectly established
6. A heavy course of the locking valve or an operating zolotnik
7. In the engine unrecorded air arrives
To check in a workshop a regulator of pressure and the control unit

To check

To check the starting valve
To check tightness

To check installation
To check
To check all pipelines and flange connections

Century. The heated-up engine is not got 1. See. And 1, 5 and 6
2. Leakage of nozzles, 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 (in a workshop)
To measure in a workshop
To adjust in a workshop the contents WITH
To adjust in a workshop the contents WITH
Page. The cold 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 dispersal mode with interruptions 1. See А3
2. Faulty sensor of angular moving of a butterfly valve
To check
Е. The heated-up 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
See head «Fuel tank and fuel pump»
N.Dvigatel works with interruptions, 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 amount of fuel
To measure and adjust in a workshop
I. Insufficient engine capacity 1. See. And 1, 4, 6 and 7
2. See. In 4 and 5
3. Insufficient productivity of the fuel pump
4. Butterfly valves do not rise in the provision of full "gas"
To measure in a workshop submitted amount of fuel
To adjust a hummock drive of "gas" or to check connection with butterfly valves
J. The engine continues to work after ignition switching off 1. See. And 4, 5 and 6
2. See. In 2
 
K.Slishkom high fuel consumption 1. See. And 1 and 4
2. See. In 4
 
L. The heated-up engine works in an idling mode at too high turns See. And 2