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 Specifications (4-cylinder models) Components of system of injection for 5-cylinder models Specifications (5-cylinder models) Starting position of a plate of the sensor of an air stream Free wheeling of a plate of the sensor of an air stream Lever of a plate of the sensor of an air stream An operating plunzher Throttle valve 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

dfe5d7b3 An operating plunzher

Removal / installation

1) write down value "a" before removal of the lock screw
2) remove the lock screw and disconnect an operating plunzher
3) clear an operating plunzher gasoline before installation
4) check a sealing ring of the lock screw about damages, if necessary replace (smaller diameter of a sealing ring is directed to an operating plunzher)
5) wrap the lock screw back to value "a"
6) check and adjust a starting position and a gap of a plate of the sensor


Mechanical cleaning of an operating plunzher is inadmissible. If after cleaning by solvent the operating plunzher is scratched or jams, it is necessary to replace all distributor of fuel.