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:

Contact Housings and Connectors, Repair Information
  Note Observe general notes for repairs on the vehicle electrical system. Refer to → Chapter „Vehicle Electrical System, General Repair Information“. Allocation of crimp contacts with correct fit ...

How to start the engine using jump leads
Fig. 191 How to connect the jump leads when starting vehicles without start/stop system: discharged battery Ⓐ and battery providing assistance Ⓑ Fig. 192 How to connect the jump leads when starting vehicles with start/stop system: discharged battery Ⓐ and battery providing assistance ...

A/C without Magnetic Clutch with Torsion-Elastic Clutch
  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 ...