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:

Repairs and technical modifications
First read and observe the introductory information and safety warningsRepairs and modifications must always be carried out according to Volkswagen specifications . Unauthorised modifications to the electronic components or software in the vehicle may cause faults. As the electronic componen ...

Permitted Tread Depth - Variance
For all four wheels use only tires of the same construction type, and tread. Always use tires with the deepest tread depth on the front axle. Replacing one individual tire is always possible. The vehicl ...

Pressure Relief Valve
  Caution Non-approved tools or materials such as leak sealing additives can cause damage or malfunctions in the system. Only use tools and materials approved by the manufactu ...