Audi А4
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ Exhaust system
+ Cooling system
+ Fuel tank and the fuel pump
+ The air filter and channels всасывания
- Injection system
+ System of injection Motronic
- System of injection MPI and MPFI
Additional functions
Knots of system of injection
Functioning
Adjustment by means of a ljambda-probe
Infringements in work and self-diagnostics
The self-help
The visual control
Check of knots
Dismantle of separate details
Cable throttle заслонки
Inlet collector
Idling adjustment
Check of the fulfilled gases
The help at malfunctions
+ Coupling
+ Transmission and the main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tyres
+ The electrotechnical equipment
+ Ignition system
+ Illumination
+ The alarm equipment
+ Tools and devices
+ Heating and ventilation
+ Body details
+ Salon
Search of malfunctions
Technical characteristics
The help at malfunctions
System of injection MPI/MPFI
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Malfunction
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Its reasons
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Your help
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| A. The cold engine is not got or got badly | 1. A defective safety lock 13, 21, 25, 27 or 28 2. The relay of the fuel pump is faulty 3. The fuel pump does not submit fuel or submits insufficient quantity 4. The regulator of pressure of fuel is faulty 5. The valve of stabilisation of idling is faulty 6. The management block is faulty 7. The signal from the gauge about number of turns of the engine does not arrive 8. In the engine additional air arrives |
Replace Check up, if it is necessary, replace Check up gasoline presence in a fuel tank Check up the fuel pump, measure quantity of arriving fuel Measure pressure in a workshop Check up Check up in a workshop Check up a wire on all length Check up all hoses |
| V.Progretyj the engine is not got or got badly | 1. Defect in a vacuum hose to a regulator of pressure of fuel 2. See And 1–4, 6 and 7 3. Негерметичны injection valves 4. The gauge of temperature of a cooling liquid is faulty |
Check up a hose — |
| S.Dvigatel is got, but soon again глохнет | 1. See And 1 and 5 2. See In 1 3. The size WITH does not correspond to norm 4. Defect in a measuring instrument of weight of air (MPI) or in the gauge of temperature of soaked up air or in the pressure gauge in an inlet collector (MPFI) 5. The potentiometer throttle заслонки is faulty |
— — Check up in a workshop injection Check up
Check up |
| D. The cold engine shivers idling | See And 5 |
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| E.Progretyj the engine shivers idling | 1. See And 4 and 5 2. See With 3 |
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| F. Too high turns at the heated-up engine idling | See And 5 |
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| G. The engine works with faults | 1. The fuel filter has got littered 2. See And 3 and 5 3. See In 3 4. See With 3 and 4 |
Replace the filter |
| N.Dvigatel works with faults, is disconnected | Non-uniform giving of fuel by the fuel pump | Measure quantity of submitted fuel |
| I. Insufficient capacity of the engine | 1. See And 3,4 and 8 2. See With 3 and 5 3. Throttle заслонка does not pass in position of full gas |
Adjust a cable throttle заслонки |
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J. The engine gives return flashes in an inlet collector |
1. See And 4 2. See With 3 |
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| K.Slishkom the high expense of fuel | 1. See In 4 2. See With 3 |
