When to replace the Lambda Sensor on your CITROËN DS4
Recommended replacement interval for the part category Lambda sensor : 100000 km
Important!
This replacement procedure can be used for:
CITROËN DS4 1.6 THP 150, CITROËN DS4 1.6 THP 160, CITROËN DS4 1.6 THP 165, CITROËN DS4 1.6 THP 200, CITROËN DS4 1.6 THP 155, CITROËN DS4 1.6 VTi 120 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

Tools
Replacement: lambda sensor – CITROËN DS4. 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 DS4. 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 DS4 – 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 CITROËN DS4 2011 - free PDF and video manuals
    Detach the oxygen sensor connector.
  2. Step 4
    How to replace CITROËN DS4 1.6 HDi 110 2012 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
    CITROËN DS4 1.6 HDi 115 2013 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 DS4 1.6 THP 200 2014 by yourself
    Remove the oxygen sensor.
  5. Step 7
    How to remove CITROËN DS4 1.6 VTi 120 2015 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 DS4 2011: download PDF manuals and video instructions
    Cut the thread for the new oxygen sensor. Use a thread tap. Use a ratchet wrench.
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DIY CITROËN DS4 Lambda Sensor replacement - online guide
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