Audi A3

Since 1997 of release

Repair and car operation

Audi A3
+ The maintenance instruction
+ Current leaving and service
+ The engine
+ Systems of cooling, heating
- The power supply system and release of the fulfilled gases
   + The power supply system
   + System of injection of fuel
   + System of injection of the diesel engine
   - System of release of the fulfilled gases
      Work каталитического the converter
      Security measures for an exception of damages каталитического the converter
      Removal and installation of system of release
      Checking of system of release
      Replacement of the central/additional muffler
      Check of system of release on tightness
      Replacement of the gauge of oxygen
+ Engine electric equipment
+ Manual box of a gear change
+ Automatic transmission and models with a full drive
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Electroschemes

Replacement of the gauge of oxygen


The gauge of oxygen (l-probe) serves for regulation of structure of the fulfilled gases at petrol engines. It is screwed in a reception pipe near to каталитического the converter.



At lifting and car installation on supports there is a danger! Therefore preliminary familiarise with subsection of Poddomkrachivanie of the car.

1. Lift and establish the car on supports.
2. Turn on near to catalytic the converter a cover штекерного connections of the gauge of oxygen. Disconnect an electric wire with clips at the heat-shielding screen. Take out from a cover a socket and расстыкуйте it.
3. Turn out the gauge of oxygen a wrench, for example, HAZET 4680–3, from a pipe.


1. Grease a carving of the gauge of oxygen with special greasing AUDI “G5”. New gauges are already covered by the specified greasing.

Do not suppose hit G5 in шлицы the gauge case. The case of the new gauge whenever possible do not touch and do not pollute.

2. Screw the gauge in a reception pipe the moment 50 Н m.
3. Lay a gauge cable in clips and connect. Screw a cover штекерного connections at the bottom.
4. Lower the car on wheels.

On the main page