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:
Displays
Fig. 12 A: bonnet open, B: tailgate
open, C: front left door open, D: right rear door open (only in four-door
vehicles)
First read and observe the introductory
information and safety warnings
Depending on the vehicle equipment level, a variety of information can be
displayed in the instr ...
Wires with Cross Section up to 0.35 mm 2,
Repairing
Special tools and workshop equipment
required
Crimping Pliers - .35-2.5mm -VAS1978/1A-
Wiring Harness Repair - Crimping Head - .35-2.5mm
-VAS1978/1-1-
When repairing wires with a cross- ...
Introduction
This chapter contains information on the following subjects:
→ Petrol
→ Diesel
→ Autogas
Different engines require different fuels. The factory-fitted sticker on the
inside of the tank flap indicates the fuel type that is required for your particular
ve ...
© 2016-2024 Copyright www.vwpolo.net