When to replace the Lambda Sensor on your AUDI 80
Recommended replacement interval for the part category Lambda sensor : 100000 km
Important!
This replacement procedure can be used for:
AUDI 80 Avant (8C5, B4) RS2 quattro, AUDI 80 Avant (8C5, B4) S2 quattro View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Lambda Sensor for 80 Avant (8C5, B4) and other AUDI models
Alternative products
How to change Lambda sensor on Audi 80 B4 Avant 1.9 TDI – step-by-step instructions for straightforward car repair Lambda sensor
Tools
Replacement: lambda sensor – AUDI 80 Avant (8C, B4). Tools you might need:
Electronic spray
High-temperature ceramic grease
Torque wrench
Drive socket # 10
22-mm oxygen sensor socket
Ratchet wrench
Thread tap
Fender cover
Replacement: lambda sensor – AUDI 80 Avant (8C, B4). AUTODOC experts recommend:
  • After replacing the oxygen sensor, clear the trouble code from the electronic control unit and let the ECU adapt itself to the new sensor.
  • Before getting down to work, start the engine and let it warm up to operating temperature.
  • Please note: all work on the car – AUDI 80 Avant (8C, B4) – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    Open the bonnet.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    Lift the car using a jack or place it over an inspection pit.
    Step 4
    How to change Lambda Sensor on Audi 80 B4 Avant 1991 - free PDF and video manuals
    Unscrew the fasteners of the oxygen sensor housing cover. Use a drive socket #10. Use a ratchet wrench.
  2. Step 5
    How to replace AUDI 80 Avant (8C5, B4) 1.9 TDI 1992 Lambda Sensor - step-by-step manuals and video guides
    Remove the oxygen sensor housing cover.
  3. Step 6
    Audi 80 B4 Avant 2.0 E 1993 Lambda Sensor replacement: free workshop manuals
    Detach the oxygen sensor connector.
  4. Step 7
    Changing Lambda Sensor on AUDI 80 Avant (8C5, B4) 2.0 1994 by yourself
    Unscrew the oxygen sensor fastener. Use a 22-mm oxygen sensor socket. Use a ratchet wrench.
  5. Step 8
    How to remove AUDI 80 2.6 quattro 1995 Lambda Sensor - online easy-to-follow instructions
    Remove the oxygen sensor.
  6. Step 9
    How to replace Lambda Sensor on AUDI 80 Avant (8C5, B4) 1996: download PDF manuals and video instructions
    Cut the thread for the new oxygen sensor. Use a thread tap. Use a ratchet wrench.
  7. Step 10
    Treat the oxygen sensor. Use high-temperature ceramic grease.
    Step 11
    How hard is it to do yourself: Lambda Sensor replacement on Audi 80 B4 Avant 2.3 E quattro 1991 - download illustrated guide
    Install the new oxygen sensor.
  8. Step 12
    Need to know how to renew Lambda Sensor on AUDI 80 1992? This free workshop manual will help you to do it yourself
    Tighten the oxygen sensor fastener. Use a 22-mm oxygen sensor socket. Use a torque wrench. Tighten it to 37 Nm torque.
Was this manual helpful?
Please rate this manual on a scale from 1 to 5. If you have any questions, feel free to ask us.
Users voted – 0
Need New Tyres?

Find out which tyre and wheel sizes are compatible with the AUDI 80 B4 Avant (8C5) model

Unlock your car maintenance assistant!

Track expenses, manage logs, schedule replacements, and more.

DIY AUDI 80 Avant (8C5, B4) Lambda Sensor replacement - online guide
Tips & tricks for your AUDI 80 Avant (8C5, B4)
View more
  • How to change Oxygen sensor on AUDI 80 Avant (8C5, B4) S2 quattro - replacement tricks
    Understanding Car Tools: The Key Differences You Need to Know | AUTODOC tips
  • Changing O2 sensor Audi 80 B4 Avant 1.9 TDI - Replacement Tips
    DIY manual gearbox restoration | Drivetrain restoration – Part 3
  • Maintenance Hacks - AUDI 80 Avant (8C5, B4) 2.0 E NOx sensor replacement guide
    Top 5 mistakes when replacing spark plugs | AUTODOC tips
  • Replace Lambda sensors on Audi 80 B4 Avant - free video tips
    How to inspect and troubleshoot your car heater when it’s not working

Professional manuals for the most common AUDI models

Autodoc CLUB App icon
Time to replace parts? Get even better deals in our Shop app.
AUDI 80 Avant (8C5, B4) Lambda Sensor replace by yourself - Scan QR-code and download AUTODOC CLUB app
SCAN ME