Audi 80/90/Coupe

since 1986-1991 of release

Repair and car operation



Audi 80/90/Coupe
+ 1.2. Car identification
+ 2. Engines, carburetors
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. Starting position of a plate of the sensor of an air stream
      5.2.1.6. Free wheeling of a plate of the sensor of an air stream
      5.2.1.7. Lever of a plate of the sensor of an air stream
      5.2.1.8. An operating plunzher
      5.2.1.9. Throttle valve
      5.2.1.10. Rope of management of a butterfly valve
   5.2.2. Fuel injectors (20-klapanny models)
   + 5.2.3. Electronic control system of the MPI engine
+ 6. Exhaust system
+ 7. Ignition system
+ 8. Transmission
+ 9. Suspension brackets, wheels
+ 10. Brake system
+ 11. Steering
+ 12. Body, salon
+ 13. Central air
+ 14. Electric equipment







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5.2.1.4. Specifications (5-cylinder models)

GENERAL INFORMATION

Since models of 1986 g
Engine code NG
Control unit fuel injection 443 906 264 With
Control unit ignition 443 907 397 With
Ignition distributor 034 905 205 H
Ignition distributor 034 905 205 H
Number restriction «í./minute (the top limit) (via the CIS-E III control unit) 6600 ± 100 об. / 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 gap 0.8 ± 0.1 mm
inhaling moment 20 N of m.
Number of turns of idling:
manual transmission 790 ± 70 «í./minute.
automatic transmission 790 ± 70 об. / mines
The contents WITH (the probe of the oxygen sensor is disconnected):
verifying value 0.3-3.0 about. %
adjusting value 0.6-1.0 about. %

Arrangement of an adjusting label on a flywheel



Prevention

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


Engine code
NG
Pressure in system with the blocked manometer (in a closed position) 6.1-6.5 bar
Pressure difference of I and II:
I (the regulator of pressure difference is disconnected) approximately on 0.3 – 0.5 bar is less, than pressure in system
II (the regulator of pressure difference is connected and ignition is included) approximately on 1.2 – 1.5 bar is less, than pressure in system
Pressure of an otsechka of fuel (after 5 seconds) at most 3.7 bar
Residual pressure:
after about 10 minutes at least 3.5 bar
after about 20 minutes at least 3.4 bar
Injector valves
Tolerance of amount of injected fuel in a set of injectors:
Idling mode (the first position of the VW 1348/1 tool)
at amount of fuel of 20 ml measured by the tool 4480 at most 2.5 ml
Mode of completely open butterfly valve (the last position of the VW 1348/1 tool)
at amount of fuel of 80 ml measured by the tool 4480
Working pressure 4.3-4.6 bar
Resistance of a regulator of pressure difference about 17.5 – 21.5 Ohm