Audi 80/90/Coupe

since 1986-1991 release

Repair and operation of the car

Audi 80/90/Coupe
+ 1.2. Identification of the car
+ 2. Engines, carburetors
3. Lubrication 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 The operating plunger Throttle valve Rope of management of a butterfly valve
   5.2.2. Fuel injectors (20-valvate models)
   + 5.2.3. Electronic control system of the MPI engine
+ 6. Exhaust system
+ 7. System of ignition
+ 8. Transmission
+ 9. Suspension brackets, wheels
+ 10. Brake system
+ 11. Steering
+ 12. Body, salon
+ 13. Air conditioning system
+ 14. Electric equipment Throttle valve


Position of the lock screw is established at the plant and should not change. If its situation was changed, carry out the main adjustment as follows:

1) weaken a tightening nut (it is specified by an arrow)
2) turn the lock screw of a throttle counterclockwise the gap between an emphasis and the screw is not formed yet
3) roll the screw (it is specified by an arrow) so far it will not concern an emphasis
define the exact moment of a stop of the lock screw, having inserted a piece of thin paper between an emphasis and the lock screw. Slowly pull out paper, at the same time rolling the screw until paper hardly passes
4) turn the screw clockwise in addition on 1/2 turns
5) check adjustment of the switch of a throttle