Audi 100

1982-1990 of release

Repair and operation of the car

Audi 100
+ 1.1. Governing bodies and devices
+ 2. Technical characteristics
+ 3. Engines
+ 4. Cooling system
+ 5. Exhaust system
+ 6. Power supply system
+ 7. Transmission
+ 8. Running gear
+ 9. Steering
+ 10. Brake system
+ 11. Body
- 12. Electric equipment
   + 12.1. System of electric equipment
   - 12.2. System of ignition
      - 12.2.1. Transistor system of ignition Removal and installation of the distributor of ignition Dismantling and assembly of the distributor of ignition Check and adjustment of a corner of an advancing of ignition Check of the coil of ignition Check of the switchboard Check of the sensor of the Hall Check of spark plugs
      + 12.2.2. Electronic system of ignition
      12.2.3. Contactless system of ignition of FEI
   + 12.3. Electric circuits Check of spark plugs


Normal operation of the engine in big degree depends on a condition of spark plugs.

1. Having turned out candles, examine them.
2. If the insulator of the central electrode of a candle is covered with a deposit of light brown or gray-steel color, the carburetor means is adjusted correctly and the candle works normally.
3. Light gray or white color of pollution of an insulator says that mix very poor, a black deposit on a candle – the mix reenriched.
4. If electrodes and an insulator of a candle are greasy, it means that or the candle gives a spark with interruptions, or piston rings are worn-out.
5. Candles before installation need to be cleared a metal brush, to wash out gasoline and to dry.
6. To adjust a gap between candle electrodes, turning in a lateral electrode. It is impossible to bend the central electrode. It is necessary to tighten candles the moment of 20 N · m (2,0 kgfs · м).