Volkswagen Polo Service & Repair Manual: Heated Oxygen Sensor, Replacing

Protecting

  Caution Missing protection leads to the electrical system damage.   Note ...

4-Pin Heated Oxygen Sensor (HO2S), Removing and Installing

  Note Do not repair the heated oxygen sensor wires. Repairing may result in malfunctions. Use the faulty sensor as a guide ...

Other materials:

Information on steering
First read and observe the introductory information and safety warnings The steering should be locked every time you leave the vehicle to make it more difficult for the vehicle to be stolen. Mechanical steering column lock Activating the steering lock Deactiv ...

Refrigerant Circuit with A/C Service Station, Draining
  Caution If it is suspected that chemicals were added to the refrigerant circuit to seal leaks, do not connect the A/C service station and do not extract the refrigerant. ...

Fault in the function of the automatic gearbox
First read and observe the introductory information and safety warnings Emergency programme There is a fault in the system if all the displays on the instrument cluster for the selector lever positions have a light background. The automatic gearbox is running in an emergency programme. The ...