Audi 100/A6

1990-1997 of release

Repair and car operation



Audi 100/A6
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engines
+ 3.2. Diesel engines
+ 3.3. Removal and partition of engines
+ 4. Cooling system
+ 5. Heating and ventilation
+ 6. Fuel system
+ 7. Exhaust system
+ 8. Systems of start, ignition
+ 9. Transmission
+ 10. Brake system
+ 11. Suspension brackets, steering
+ 12. Body
+ 13. Electric equipment
- 14. Good advice
   14.1.1. Changed numbers
   14.1.2. Purchase of the old car or mysterious set of figures and letters
   14.2. Durability of the car
   14.3. About parallelism of bridges of the car and the trailer
   14.4. Preparation of the car for winter
   14.5. It is not got – good advice
   14.6. From change of places "composed" changes nothing?
   14.7. Visit to car-care center
   - 14.8. Engine
      14.8.2. Analysis of a dymnost of an exhaust
      14.8.3. "Eats" much, but silently goes
      14.8.4. A gear belt for a drive of the mechanism of a gazoraspredeleniye
      14.8.5. That it is necessary to know, changing oil
      14.8.6. Pistons
      14.8.7. Valves
      + 14.8.8. Bearings
      - 14.8.9. To owners of the car with the diesel engine
         14.8.9.1. Than involves a diesel engine
         14.8.9.2. Why the diesel engine rustles
         14.8.9.3. Care of a diesel engine
         14.8.9.4. Malfunctions of a diesel engine with fuel equipment of Bosch
         14.8.9.5. Purchase of the second-hand engine
         14.8.9.6. Be healthy a diesel engine
      14.8.10. To owners of the car with the injector engine
   + 14.9. Conditioner
   14.10. Turbokompressor
   + 14.11. Rub in one – or how to save the catalyst
   + 14.12. Accumulator
   14.13. Generator
   14.14. Probuksovochka
   14.15. "Machine gun"
   + 14.16. Brake system
   + 14.17. Wheels and tires


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14.8.9.4. Malfunctions of a diesel engine with fuel equipment of Bosch

GENERAL INFORMATION

The provided table of possible defects on a diesel engine is made by Bosch firm, and we hope that it will help you to return your engine to a working order.

The table of malfunctions and methods of their elimination on a diesel engine with fuel equipment of Bosch firm
MALFUNCTION
CODES OF THE POSSIBLE REASONS
The complicated start-up
1–9, 12, 13, 20, 22
Unstable idling
1, 2, 14, 18, 21, 22
Non-uniform idling of the heated-up engine
2, 10, 13, 17, 20, 22
Interruptions in operation of the engine under loading
1, 2, 4, 5–10, 16, 22
Engine capacity falling
1, 4–7, 9, 10, 11, 13, 15, 16, 19–22
The increased fuel consumption
7, 9, 10, 11, 13, 15, 16, 19–22
The engine does not stop
3, 21, 22
Low acceleration performance, exhaust with a black smoke, engine capacity falling
2, 5, 9, 10, 11, 13, 19–22
Gray exhaust at the maximum loading (white or blue)
1, 2, 4, 5, 8, 9, 13, 19, 22
Abnormal minimum and maximum turns of idling
14, 15, 18, 21
The engine is not dispersed
1, 2, 4, 6, 8, 9, 10, 19, 20, 21
The fuel pump of a high pressure overheats
16

MALFUNCTION
ELIMINATION METHODS
1. The empty fuel tank or is littered the ventilating valve of a tank To fill a tank, to wash out топливопроводы, to clear the ventilating valve.
2. Availability of air in fuel system To pump over fuel system, to eliminate подсос air.
3. The electromagnetic valve of a diesel engine or a regulator of starting supply of fuel is faulty To repair or replace.
4. The fuel filter is littered To replace the fuel filter.
5. Are littered топливопроводы low pressure To restore sections through passage топливопроводов.
6. Are littered топливопроводы low pressure To wash out or replace топливопроводы.
7. Leaky connections, топливопроводы leak or are broken To tighten connections, to eliminate a leak.
8. Paraffin deposits in the fuel filter To replace the filter, to use seasonal fuel.
9. Wrong advancing of injection of fuel To adjust an initial corner of an advancing of injection of fuel.
10. Nozzles of nozzles are faulty To repair or replace.
11. The air filter is littered To replace filtering element.
12. The system of prestarting heating is faulty To replace faulty starting candles.
13. Injection distribution on cylinders does not correspond to an order of their work To rearrange топливопроводы a high pressure in a demanded order.
14. Abnormal turns of idling To adjust the screw idling turns.
15. Abnormal maximum turns of idling To adjust the screw the maximum turns of the engine.
16. The valve is littered or faulty perepuskny To clear the calibrated channel or to replace the valve.
17. The delivery valve (on a four-cylinder diesel engine) or two valves (on six-cylinder) is not tight To replace the valve (ы).
18. The effort of a buffer spring of a regulator of frequency of rotation of a diesel engine is not adjusted To adjust effort of a buffer spring.
19. The coupling of an advancing of supply of fuel is faulty To repair or replace the coupling.
20. Low compression To restore a compression.
21. The regulator of frequency of rotation of the engine is faulty or is not adjusted To adjust or replace a regulator.
22. The fuel pump of a high pressure is faulty or does not give in to adjustment To remove the pump and to give to repair.