Audi 80/90/Coupe

Since 1986-1991 of release

Repair and car operation



Audi 80/90/Coupe
+ 1.2. Car identification
- 2. Engines, carburettors
   2.1.2. Removal and engine installation (5-cylinder models)
   2.1.3. Dismantling and assemblage of engines
   2.1.4. A head of the block of cylinders, the mechanism timing
   + 2.2. An engine electric equipment
   - 2.3. Carburettors
      - 2.3.1.2. Check and carburettor adjustment
         2.3.1.3. Check of turns of idling
         2.3.1.4. Check and adjustment of maintenance CO
         2.3.1.5. Fast check of functioning of the carburettor
         2.3.1.6. Check of a probe of Ljambda
         2.3.1.7. Check of the gauge of temperature of a cooling liquid
         2.3.1.8. Check of an air diaphragm
         2.3.1.9. Check of a potentiometer of a throttle
         2.3.1.10. Carburettor preset values 2EE
      + 2.3.2. Carburettors Keihin
3. Greasing system
+ 4. Cooling system
+ 5. Fuel system
+ 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





2.3.1.9. Check of a potentiometer of a throttle
THE GENERAL DATA

The throttle potentiometer displays each time position of a throttle and its change. During acceleration, the management equipment receives the information on how quickly and on what corner it is inclined throttle заслонка. Closed дросель informs the management equipment on continuation of work of the engine idling.

Measurement of resistance of a potentiometer of a throttle


PERFORMANCE ORDER
1) take a plug with the wires feeding a potentiometer
2) measure all resistance of a potentiometer between the terminations 1 and 3. The Normal amount should equal: 1.4–1.6 clod
3) start the engine and leave it to idle
4) remove the pipeline of removal of air between a regulator of position of a throttle and the filter of system of airing. From outside the filter establish заглушку. For this purpose it is possible to use bolts of the corresponding diameter
5) muffle the engine. Throttle заслонка should close a mouth completely
6) measure resistance between the terminations 1 and 2 potentiometers and simultaneously reject throttle заслонку before position "full gas". Resistance should decrease smoothly to initial size 1.4–2.4 clod at "closed" throttle заслонке to size less than 270 Ohm in position of "full opening" throttle заслонки
7) take out заглушку from the pipeline of removal of air and put on the pipeline the union at the air filter
8) connect a plug to a potentiometer








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