Volkswagen Touran Service 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:

Volkswagen Touran Owners Manual. Checking the electrolyte level of the vehicle battery
Fig. 179 In the engine compartment: removing the battery cover Fig. 180 Engine compartment: pushing up the vehicle battery sleeve First read and observe the introductory information and safety warnings The electrolyte level of the vehicle battery should be checked regularly in high-mil ...

Volkswagen Touran Service Manual. Restrictor
  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 ...