When to replace the Lambda Sensor on your PEUGEOT 307
Recommended replacement interval for the part category Lambda sensor : 100000 km
Important!
This replacement procedure can be used for:
PEUGEOT 307 CC (3B) 2.0 16V, PEUGEOT 307 CC (3B) 2.0 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 307 CC (3B) and other PEUGEOT models
Tools
Replacement: lambda sensor – PEUGEOT 307 CC (3B). 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 – PEUGEOT 307 CC (3B). 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 – PEUGEOT 307 CC (3B) – 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 Peugeot 307 cc 3b 2003 - free PDF and video manuals
    Detach the oxygen sensor connector.
  2. Step 4
    How to replace PEUGEOT 307 CC (3B) 2.0 16V 2004 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
    Peugeot 307 cc 3b 1.6 16V 2005 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 PEUGEOT 307 CC (3B) 2.0 Flex 2006 by yourself
    Remove the oxygen sensor.
  5. Step 7
    How to remove PEUGEOT 307 2.0 16V 2007 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 PEUGEOT 307 CC (3B) 2008: 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 PEUGEOT 307 CC (3B) Lambda Sensor replacement - online guide
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