Audi A4

Since 1994 of release

Repair and car operation



Audi А4
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ Exhaust system
+ Cooling system
+ Fuel tank and the fuel pump
+ The air filter and channels всасывания
- Injection system
   - System of injection Motronic
      The major knots
      So the system of injection Motronic functions
      Infringements in work and self-diagnostics
      The self-help at injection
      The visual control
      Search of malfunctions in separate knots
      Check of idling and the fulfilled gases
      Check of the fulfilled gases (AU)
      Cable throttle заслонки
      The help at malfunctions
   + System of injection MPI and MPFI
+ Coupling
+ Transmission and the main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tyres
+ The electrotechnical equipment
+ Ignition system
+ Illumination
+ The alarm equipment
+ Tools and devices
+ Heating and ventilation
+ Body details
+ Salon
Search of malfunctions
Technical characteristics



The help at malfunctions

System of injection Motronic

Malfunction
Its reasons
Your help
A.Holodnyj the engine is not got or got badly 1. A defective safety lock 15, 28, 29, 32 or 34
2. Defect of the relay of supply by power supplies
3. The fuel pump does not submit fuel or submits insufficient quantity
4. The regulator of pressure of fuel is faulty
5. The gauge of temperature of a cooling liquid is faulty
6. The knot of management throttle заслонкой is faulty
7. The management block is faulty
8. Malfunction in wires between the gauge of the Hall and the management block
9. In the engine additional air arrives

Replace
Check up, if it is necessary, replace
There is a gasoline in a tank? Check up the pump, measure quantity of submitted fuel
Measure pressure
Check up
Check up in a workshop
Check up in a workshop
Check up wires on all length
Check up all hoses

V.Razogretyj the engine is not got or got badly 1. The vacuum hose to a regulator of pressure of fuel is faulty
2. See And 2–9
3. Негерметичны injection valves
Check up a hose
Check up valves
S.Dvigatel is got, but again глохнет 1. See And 6
2. Неадаптирован knot of management throttle заслонкой (only after knot or dismantle replacement and installation)
3. See In 1
4. The ljambda-probe is faulty
Check up the valve
Spend in a workshop the basic installation
Check up functioning if it is necessary – replace
D. The cold engine shivers idling 1. See And 2 and And 5
2. See With 2
 
E.Razogretyj the engine shivers idling 1. See And 6
2. See With 2
 
F. Idling turns fall at full turn of a wheel by means of the servo-driver 1. See And 6
2. See With 2
 
G. The engine works with faults 1. The fuel filter has got littered
2. See And 3
3. See In 3
4. See With 5
Replace the filter
N.Kolebanija of number of turns at 2000–3000 rpm. See And 7  
I. The Engine works roughly, with faults See And 3  
J. Insufficient capacity of the engine 1. See And 3, 6 and 9
2. Throttle заслонка does not pass in position of full gas
Adjust a cable throttle заслонки
K.Dvigatel does return flash in an inlet collector See And 4