Audi 80/90/Coupe

Since 1986-1991 of release

Repair and car operation



Audi 80/90/Coupe
+ 1.2. Car identification
+ 2. Engines, carburettors
3. Greasing system
+ 4. Cooling system
- 5. Fuel system
   - 5.2. Systems of injection of fuel
      5.2.1.2. Specifications (4-cylinder models)
      5.2.1.3. Components of system of injection for 5-cylinder models
      5.2.1.4. Specifications (5-cylinder models)
      5.2.1.5. A starting position of a plate of the gauge of an air stream
      5.2.1.6. A free wheeling of a plate of the gauge of an air stream
      5.2.1.7. The lever of a plate of the gauge of an air stream
      5.2.1.8. Operating плунжер
      5.2.1.9. The throttle valve
      5.2.1.10. A rope of management throttle заслонкой
   5.2.2. Fuel injectors (20-klapannye models)
   + 5.2.3. An electronic control system of engine MPI
+ 6. An exhaust system
+ 7. Ignition system
+ 8. Transmission
+ 9. Suspension brackets, wheels
+ 10. Brake system
+ 11. A steering
+ 12. A body, salon
+ 13. A central air
+ 14. An electric equipment





5.2.1.4. Specifications (5-cylinder models)
THE GENERAL DATA

Since models 1986 г
Engine code NG
The block of management of fuel injection 443 906 264 WITH
The block of management of ignition 443 907 397 WITH
The ignition distributor 034 905 205 H
The ignition distributor 034 905 205 H
Restriction of number of ob./minute (the top limit) (through the block of management CIS-E III) 6600 100 ob./mines
Installation of a corner of an advancing of ignition:
Verifying value 13 – 17 before the top dead point
Adjusting value 15 1 before the top dead point
Operating procedure of cylinders 1–2–4–5–3
Spark plugs
Bosch W7DTC
Interelectrode backlash 0.8 0.1 mm
The inhaling moment 20 Н.м.
Number of turns of idling:
Manual transmission 790 70 ob./minutes
Automatic transmission 790 70 ob./mines
The maintenance WITH (the probe of the oxygen gauge is disconnected):
Verifying value 0.3 – 3.0 about. %
Adjusting value 0.6 – 1.0 about. %

Arrangement of an adjusting label on a flywheel



The prevention

The number of turns of idling, installation of a corner of an advancing of ignition and the maintenance WITH are interconnected and should be checked and be regulated together.


Engine code
NG
Pressure in system with the blocked manometre (in the closed position) 6.1 – 6.5 bar
Pressure difference I and II:
I (the pressure difference regulator is disconnected) Approximately on 0.3 – 0.5 bar is less, than pressure in system
II (the pressure difference regulator is connected also ignition it is included) Approximately on 1.2 – 1.5 bar is less, than pressure in system
Pressure отсечки fuel (after 5 seconds) Maximum 3.7 bar
Residual pressure:
After approximately 10 minutes Minimum 3.5 bar
After approximately 20 minutes Minimum 3.4 bar
Inzhektornye valves
Maximum deviation of quantity of injected fuel in a set of injectors:
Idling mode (the first position of tool VW 1348/1)
At quantity of fuel of 20 ml measured by the tool 4480 Maximum of 2.5 ml
Mode completely open throttle заслонки (last position of tool VW 1348/1)
At quantity of fuel of 80 ml Measured by the tool 4480
Working pressure 4.3 – 4.6 bar
Resistance of a regulator of pressure difference Approximately 17.5 – 21.5 Ohm