When to replace the Lambda Sensor on your CITROËN C3
Recommended replacement interval for the part category Lambda sensor : 100000 km
Important!
This replacement procedure can be used for:
CITROËN C3 I Hatchback (FC_, FN_) 1.4 Flex 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 C3 I Hatchback (FC_, FN_) and other CITROËN models
Tools
Replacement: lambda sensor – CITROËN C3 I (FC_). Tools you might need:
Wire brush
WD-40 spray
Electronic spray
Copper grease
Torque wrench
Combination spanner #22
22-mm oxygen sensor socket
Ratchet wrench
Thread tap
Fender cover
Replacement: lambda sensor – CITROËN C3 I (FC_). 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 – CITROËN C3 I (FC_) – 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
    How to change Lambda Sensor on Citroen C3 Mk1 2002 - free PDF and video manuals
    Detach the oxygen sensor connector.
  2. Step 4
    How to replace CITROËN C3 I Hatchback (FC_, FN_) 1.4 HDi 2003 Lambda Sensor - step-by-step manuals and video guides
    Clean the oxygen sensor fastener. Use a wire brush. Use WD-40 spray.
  3. Step 5
    Citroen C3 Mk1 1.4 i 2004 Lambda Sensor replacement: free workshop manuals
    Unscrew the oxygen sensor fastener. Use a 22-mm oxygen sensor socket. Use a ratchet wrench.
  4. Step 6
    Changing Lambda Sensor on CITROËN C3 I Hatchback (FC_, FN_) 1.6 16V 2005 by yourself
    Remove the oxygen sensor.
  5. Step 7
    How to remove CITROËN C3 1.4 16V HDi 2006 Lambda Sensor - online easy-to-follow instructions
    Clean the oxygen sensor mounting seat. Use WD-40 spray.
  6. Step 8
    How to replace Lambda Sensor on CITROËN C3 I Hatchback (FC_, FN_) 2007: download PDF manuals and video instructions
    Cut the thread for the new oxygen sensor. Use a thread tap. Use a ratchet wrench.
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
Searching for the right tyres?

Find out which tyre and wheel sizes are compatible with the CITROËN C3 I Hatchback (FC, FN) model.

Your profile is your personal assistant.

It can track car expenses, keep a car log and replacement schedule, and save favourite materials, notes and documents

Install the AUTODOC CLUB app!
Your personal car expenses manager, maintenance tips, reminders about upcoming appointments and service intervals, DIY repair instructions – all this on your phone.
CITROËN C3 I Hatchback (FC_, FN_) Lambda Sensor replace by yourself - Scan QR-code and download AUTODOC CLUB app
Scan

To download the app:

  • - scan the QR code
  • - download from App Store
  • - download from Google Play
DIY CITROËN C3 I Hatchback (FC_, FN_) Lambda Sensor replacement - online guide
Tips & tricks for your CITROËN C3 I Hatchback (FC_, FN_)
View more
  • How to change Oxygen sensor on CITROËN C3 I Hatchback (FC_, FN_) 1.1 i - replacement tricks
    Causes of a worn car boot damper | AUTODOC
  • Changing O2 sensor Citroen C3 Mk1 1.4 HDi - Replacement Tips
    How to detect vacuum leaks using a smoke machine | AUTODOC
  • Maintenance Hacks - CITROËN C3 I Hatchback (FC_, FN_) 1.4 i NOx sensor replacement guide
    How to polish an old engine valve cover to a shiny finish | AUTODOC Tips
  • Replace Lambda sensors on Citroen C3 Mk1 - free video tips
    What to do if your car heater isn't working | AUTODOC tips