When to replace the Lambda Sensor on your AUDI Q3
Recommended replacement interval for the part category Lambda sensor : 100000 km
Important!
This replacement procedure can be used for:
AUDI Q3 (8UB, 8UG) 2.0 TFSI quattro, AUDI Q3 (8UB, 8UG) 2.0 TFSI 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 Q3 (8UB, 8UG) and other AUDI models
Tools
Replacement: lambda sensor – AUDI Q3 (8U). 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 Q3 (8U). 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 Q3 (8U) – 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 Q3 8u 2011 - 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 Q3 (8UB, 8UG) 2.0 TDI 2012 Lambda Sensor - step-by-step manuals and video guides
    Remove the oxygen sensor housing cover.
  3. Step 6
    Audi Q3 8u 2.0 TDI quattro 2013 Lambda Sensor replacement: free workshop manuals
    Detach the oxygen sensor connector.
  4. Step 7
    Changing Lambda Sensor on AUDI Q3 (8UB, 8UG) 1.4 TSI 2014 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 Q3 2.0 TDI 2015 Lambda Sensor - online easy-to-follow instructions
    Remove the oxygen sensor.
  6. Step 9
    How to replace Lambda Sensor on AUDI Q3 (8UB, 8UG) 2016: 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 Q3 8u 2.0 TFSI quattro 2017 - download illustrated guide
    Install the new oxygen sensor.
  8. Step 12
    Need to know how to renew Lambda Sensor on AUDI Q3 2018? 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.
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DIY AUDI Q3 (8UB, 8UG) Lambda Sensor replacement - online guide
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