Volkswagen Polo Service & Repair Manual: Heated Oxygen Sensor, Replacing
- 4-Pin Heated Oxygen Sensor (HO2S), Removing and Installing
- 6-Pin Universal Oxygen Sensor, Removing and Installing
- Oxygen Sensor Unit Protective Pipes
- Special Tools
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:
Releasing and Disassembly Contact Housings, General Information
Note
Observe general notes for repairs on the vehicle electrical
system. Refer to
→ Chapter „Vehicle Electrical System, General Repair
Information“.
Always use the release tools intended for the ...
Checklist
To ensure your own safety and that of your passengers, observe
the following actions in the specified order :
Stop the vehicle at a safe distance
away from moving traffic and on a suitable surface .
Switch on the hazard warning lights
using the button .
Apply the handbrake ...
Discharge Refrigerant Circuit with A/C Service Station
Caution
If it is suspected that chemicals were added to the
refrigerant circuit to seal leaks, do not connect the
A/C service station and do not extract the refrigerant.
...
