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
   + 6.1.2. Technical characteristics
   - 6.2. Multipoint system of injection of fuel
      6.2.2. Technical characteristics
      6.2.3. Air filter
      6.2.4. Accelerator rope
      6.2.5. Elements of system of injection of Motronic/Jetronic fuel
      6.2.6. Elements of system of injection of Digifant fuel
      6.2.7. Fuel filter
      6.2.8. Fuel pump and fuel level sensor
      6.2.9. Fuel tank
      6.2.10. Pressure release from system of injection of fuel
      6.2.11. Inlet collector
      6.2.12. Check of system of injection of fuel
      6.2.13. Unleaded gasoline
   + 6.3. System of injection of MPI/MPFI (6-cylinder engines)
   + 6.4. Power supply system of diesel engines
   6.5. Device of service of heating
   6.6. Diagnostics of malfunctions of system of heating
   6.7. Conditioner: not only "pluses", but also "minuses"
   6.8. Rules of service of the conditioner
+ 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

6.2.6. Elements of system of injection of Digifant fuel

SENSOR OF THE STREAM OF AIR

Removal

PERFORMANCE ORDER

	1. Disconnect an air branch pipe and the connection socket from the sensor.
2. Turn off fixing screws and remove the sensor.

Installation

Installation is carried out upside-down removals.

BUTTERFLY VALVE POTENTIOMETER

Removal

PERFORMANCE ORDER

	1. Disconnect the socket of connection of a potentiometer.
2. Turn off fixing screws and remove a potentiometer.

Installation

Installation is carried out upside-down removals.

THE SENSOR OF TEMPERATURE OF ARRIVING AIR

The sensor of temperature is a part of the sensor of a stream of air and it cannot be replaced separately.

VALVE OF STABILIZATION OF IDLING

Removal

PERFORMANCE ORDER

1. Disconnect the socket of connection and hoses from the valve.

2. Remove the valve.

Installation

Installation is carried out upside-down removals.

SENSOR OF SPEED OF MOVEMENT OF THE CAR

The sensor is established on a transmission. Look subsection 9.2.7.

SENSOR OF DETONATION COMBUSTION OF FUEL

Removal

PERFORMANCE ORDER

1. Disconnect the connection socket.

2. Turn off a fixing bolt and remove the sensor.

Installation

Installation is carried out upside-down removals.

SENSORS OF TEMPERATURE OF COOLING LIQUID

Arrangement of the sensor of temperature of cooling liquid (Digifant system)

The sensor of temperature of cooling liquid is located on the left side of a head of the block of cylinders.

Removal

PERFORMANCE ORDER

1. Disconnect the socket of connection of the sensor.

2. Merge a part of cooling liquid from the engine and unscrew the sensor.

Installation

Installation is carried out upside-down removals.

VALVE OF SYSTEM OF COLD START OF THE ENGINE

Removal

PERFORMANCE ORDER

1. Disconnect the connection socket.

2. Disconnect a fuel tube. Turn off fixing bolts and remove the valve.

Installation

Installation is carried out upside-down removals.

BUTTERFLY VALVE CASE

Removal

PERFORMANCE ORDER

1. Disconnect an accelerator rope.
2. Disconnect an air branch pipe.
3. Disconnect the socket of connection of a potentiometer and vacuum hoses.
	4. Turn off the top fixing screws (are specified by shooters) and remove the butterfly valve case.

Installation

Installation is carried out upside-down removals.

FUEL INJECTORS AND FUEL COLLECTOR

Removal

PERFORMANCE ORDER

1. Disconnect an air branch pipe from the butterfly valve case.

2. Disconnect a rope of an accelerator and vacuum hoses.

3. Remove the butterfly valve case.

4. Mark and disconnect fuel tubes and hoses.

5. Disconnect wires from injectors.

6. Turn off fixing bolts and remove a fuel collector.

Installation

Installation is carried out upside-down removals.

REGULATOR OF PRESSURE OF FUEL

Removal

PERFORMANCE ORDER

1. Disconnect a vacuum hose.

2. Remove a fixing clip and remove a regulator.

Installation

Installation is carried out upside-down removals.

OXYGEN SENSOR

Removal

PERFORMANCE ORDER

1. Disconnect the connection socket.

2. Unscrew the sensor.

Installation

Installation is carried out upside-down removals.

ELECTRONIC CONTROL UNIT

Removal

PERFORMANCE ORDER

1. Remove panels of furnish and a casing of the electronic control unit.

2. Turn off fixing screws and remove the electronic control unit, having disconnected the connection socket.

Installation

Installation is carried out upside-down removals.