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:

Current Draw Test
  WARNING Batteries that have a light yellow visual indicator do not have to be tested or charged. Jump starting must not be used! There is a risk of explosion during testing, ...

Washing the vehicle
First read and observe the introductory information and safety warningsThe longer substances such as insects, bird droppings, resinous tree sap, road dirt, industrial deposits, tar, soot or road salt and other corrosive materials remain on the vehicle, the more damage they do to the paintwork. ...

Loading the trailer
First read and observe the introductory information and safety warnings Trailer weight and drawbar load The trailer weight is the weight that the vehicle can pull . The drawbar load is the weight that the towing bracket exerts on the ball coupling vertically from above . The figures for tr ...