Volkswagen Polo Service & Repair Manual: 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 for installing all of the
accompanying attachments, cable ties or marking bands. |
If necessary, identify the heated oxygen sensor (HO2S) using
the protective tube. Refer to
→ Chapter „Oxygen Sensor Unit Protective Pipes“. |
– |
Remove the faulty oxygen sensor. |
|
|
|
– |
Lay both of the oxygen sensor next to each other so the
sensor housings are the same level. |
|
|
|
– |
Tie the excess length of the sensor (approximately 50 to 250
mm) back so it is the same length as the faulty sensor and
secure it with cable ties -1-. |
– |
Check if the oxygen sensor connector housing is compatible
with the vehicle electrical system side. |
– |
If necessary, replace the vehicle electrical system
connector with the provided oxygen sensor connector housing.
Refer to
→ Chapter „Contact Housings and Connectors, Repairing“. |
Note
Only replace the connector housing on older vehicles. The
connector housing is correct on new vehicles. |
Check the pin assignment. The pins in the new connector
housing are color coded. |
The packaging for the new heated oxygen sensor contains
additional information. |
– |
Install the new oxygen sensor in the vehicle. |
|
|
 |
Note
Use the faulty sensor as a guide for installing all of the
accompanying attachments, cable ties or marking bands.
Do ...
Other materials:
Cleaning and changing windscreen wiper blades
Fig. 142 Variants A and B: Changing the
windscreen wiper blades. Variants B and C: Changing the rear window wiper blade
First read and observe the introductory information
and safety warningsThe factory-fitted windscreen/window wiper blades are
coated with graphite. The graphite coating ens ...
Wiring Harness Repair Set -VAS1978A
The new Wiring Harness Repair Set -VAS1978A- makes optimal
repair quality possible in the realm of vehicle electronics.
Using the new pliers, repairs affecting harness connectors and
for breaks in wiring can be performed. For this purpose,
complete repai ...
Wheel, Mounting, Volkswagen Assembly Instructions
Vehicles With Tire Pressure Monitoring Sensor.
If wheels are changed (for example, change from summer to
winter tires), wheel electronics send data as soon as speed of
new wheels exceeds 25 km/h (15.53 mph) The control module
automatical ...
© 2016-2025 Copyright www.vwpolo.net
