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:
AGM Battery, Checking
Perform Battery Checks in the Following Sequence:
1.
Visual inspection. Refer to
→ Chapter „Visual Inspection“.
2.
Check the battery using the Battery Tester -VAS6161-. Refer
to
...
Reservoir
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 ...
Checking with Restrictor, Reservoir and A/C Compressor Regulator Valve
-N280-, Externally Regulated A/C Compressor
Note
Connecting service station. Refer to
→ Chapter „Connecting Service Station“.
Observe test requirements. Refer to
→ Chapter „Pressures, Checking“.
–
...
