Audi A4
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ System of an exhaust
+ Cooling system
+ Fuel tank and fuel pump
+ Air filter and channels of absorption
- System of injection
+ System of injection Motronic
- System of injection of MPI and MPFI
Additional functions
Knots of system of injection
Functioning
Adjustment with the help a lambda probe
Violations in work and self-diagnostics
Self-help
Visual control
Check of knots
Dismantle of separate details
Cable of a butterfly valve
Inlet collector
Idling adjustment
Check of exhaust gases
The help at malfunctions
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
+ Electrotechnical equipment
+ System of ignition
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ Body details
+ Salon
Search of malfunctions
Technical characteristics
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Additional functions
- MPI/MPFI represents very expensive system of injection which control unit in addition operates electronic ignition.
- The control unit of system of injection of MPI/MPFI is capable to full diagnostics. It means that the failures arising in use remain in the memory device of the computer in which information is erased only after shutdown of the accumulator.
- In this system the fact that also those defects which arise only for a short time are remembered is ingenious. By experience, it is just those defects which are the most difficult for finding.
- After 50 starts of the engine the defect which appeared only once is automatically erased in memory of the computer.
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