How to carry out replacement: Lambda Sensor 1.6 HDi / BlueHDi 115 Citroen C4 Picasso 2
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Change Citroen C4 Picasso 2 1.6 THP 165 Lambda Sensor yourself – manuals and video tutorials

How to change lambda sensor on CITROËN C4 Picasso II – replacement guide

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When to replace the Lambda Sensor on your CITROËN C4
Recommended replacement interval for the part category Lambda sensor : 100000 km
Important!
This replacement procedure can be used for:
CITROËN C4 Picasso II 1.6 THP 155, CITROËN C4 Picasso II 1.6 VTi 120, CITROËN C4 Picasso II 2.0 i 16V … 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 C4 Picasso II and other CITROËN models
How to change Lambda sensor on Citroen C4 Picasso 2 1.6 HDi / BlueHDi 115 – step-by-step instructions for straightforward car repair Lambda sensor
How to change Lambda sensor on C4 II Picasso – tips for proper car maintenance
Lambda sensor for C4 II Picasso Petrol (156 hp)
Simple DIY car repair steps – Replacing Lambda sensor on C4 II Picasso
Lambda sensor for C4 II Picasso Petrol (120 hp)
Easy tricks to help you to replace Lambda sensor on C4 II Picasso
Lambda sensor for C4 II Picasso Petrol (143 hp)
Tools
Replacement: lambda sensor – CITROËN C4 Picasso II. 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
Buy tools
Replacement: lambda sensor – CITROËN C4 Picasso II. 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 C4 Picasso II – 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 C4 Picasso 2 2013 - free PDF and video manuals
    Detach the oxygen sensor connector.
  2. Step 4
    How to replace CITROËN C4 Picasso II 1.6 HDi / BlueHDi 115 2014 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 C4 Picasso 2 1.6 BlueHDi 120 2015 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 C4 Picasso II 1.6 HDi 90 2016 by yourself
    Remove the oxygen sensor.
  5. Step 7
    How to remove CITROËN C4 1.6 BlueHDi 100 2017 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 C4 Picasso II 2018: 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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