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:

First aid kit and warning triangle
Fig. 153 In the luggage compartment: holder for the first aid kit Fig. 154 In the luggage compartment. A: Warning triangle under the loading edge, B: Warning triangle in the vehicle tools First read and observe the introductory information and safety warnings First aid kit A first-ai ...

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 ...

Wire Break with Single Repair Point
Repair point with single crimp connection –  Free up wire intended for repair (approximately 20 cm to both sides of repair point). –  If required, remove wiring harness wrapping using a folding ...