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:
Starting the engine
First read and observe the introductory information
and safety warnings
The steps should only be carried out in the specified order.
Step
Vehicles with a manual gearbox
Vehicles with an automatic gearbox
1.
...
General Information
Perform a road test to determine if a vehicle pulls to one
side and if so, when and to which side. If the vehicle pulls to
one side. Refer to
→ Chapter „Corrective Action When Vehicle Pulls to One Side“.
If the vehicle ali ...
Coolant Fan Control Module -J293
Note
Available in different construction styles, some installed
on coolant fan -arrows-.
This control module switches on and off the A/C clutch and
therefore the A/C compressor. It switche ...
