Audi 80/90/Coupe

since 1986-1991 of release

Repair and car operation



Audi 80/90/Coupe
+ 1.2. Car identification
- 2. Engines, carburetors
   2.1.2. Removal and engine installation (5-cylinder models)
   2.1.3. Dismantling and assembly of engines
   2.1.4. Head of the block of cylinders, gazoraspredeleniye mechanism
   + 2.2. Engine electric equipment
   - 2.3. Carburetors
      - 2.3.1.2. Check and carburetor adjustment
         2.3.1.3. Check of turns of idling
         2.3.1.4. Check and adjustment of the maintenance of CO
         2.3.1.5. Fast check of functioning of the carburetor
         2.3.1.6. Probe check Lambda
         2.3.1.7. Check of the sensor of temperature of 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. 2EE carburetor preset values
      + 2.3.2. Keihin carburetors
3. Greasing system
+ 4. Cooling system
+ 5. Fuel system
+ 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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2.3.1.6. Probe check Lambda

PERFORMANCE ORDER
1) start the engine and within about 1 minute keep speed of rotation above 2000 rpm. Thanks to it, a probe the Lambda will reach normal working temperature
2) connect a plug of a wire of a probe the Lambda to a nest. Observe diaphragm functioning in engine operating time idling
3) remove a cap from the vacuum union of the carburetor. The diaphragm should slowly a few be covered. If the cover is not closed, it means that the probe the Lambda is faulty
4) if the probe the Lambda is smoked, it is necessary to make fast 20-minute driving after which anew to inspect. It is necessary to find damage of the wire feeding a probe, or to replace all probe
5) switch off the engine.
6) connect the vacuum pipeline to the carburetor
7) establish the case of the air filter