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