Audi A4

since 1994 of release

Repair and car operation

A4 Audi
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ exhaust System
+ cooling System
+ Fuel tank and fuel pump
+ Air filter and absorption channels
- Injection system
   - System of injection of Motronic
      The major knots
      So the system of injection of Motronic functions
      Violations in work and self-diagnostics
      The self-help at injection
      Visual control
      Search of malfunctions in separate knots
      Check of idling and exhaust gases
      Check of exhaust gases (AU)
      Butterfly valve cable
      The help at malfunctions
   + System of injection of MPI and MPFI
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
+ Electrotechnical equipment
+ ignition System
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics

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The self-help at injection

In injection system, unfortunately, by own efforts it is possible to make the little as deep checks assume existence of good knowledge of a material and, first of all, measuring and test devices. For carrying out uncountable measurements it is necessary to have special measuring wires and test sockets not to damage contacts. Therefore at emergence of any defect it is recommended to operate as follows:


  1. If Audi A4 refuses to work, in the beginning check safety locks No. 15, 28, 29, 32 and 34.
  2. Then check, whether as it should be ignition.
  3. At the following stage supply of fuel is checked.
  4. Carry out visual check of all knots of system of injection.
  5. If such a way the source of malfunction was not found, study the section Help at malfunctions at the end of head and interrogate the computer, check suspicious knot according to the instruction.