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:

Wire Break with Dual Repair Point
Repair point with intermediate wire section –  Free up wire intended for repair at two points (approximately 20 cm to both sides of respective repair points). –  If required, remove wiring harness wra ...

Test Requirements
Radiator and condenser are clean (clean if necessary). The ribbed belt for the A/C compressor and alternator tensioned correctly. All air ducts, covers and seals are OK and installed correctly. ...

Seat belt protection
Fig. 49 Driver restrained by a properly positioned seat belt during a sudden braking manoeuvre First read and observe the introductory information and safety warnings Correctly fastened seat belts can make a major difference. When fastened properly, seat belts hold the vehicle occupants in ...