How to carry out replacement: Lambda Sensor 2.0 HDi 135 (6DRHRH, 6DRHRE, 6DRHRG, 6DRHRJ) Peugeot 407 Saloon
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Change Peugeot 407 Saloon 1.8 16V (6D6FYC) Lambda Sensor yourself – manuals and video tutorials

How to change lambda sensor on PEUGEOT 407 Saloon – replacement guide

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When to replace the Lambda Sensor on your PEUGEOT 407
Recommended replacement interval for the part category Lambda sensor : 100000 km
Important!
This replacement procedure can be used for:
PEUGEOT 407 (6D_) 2.0 16V (6DRFJC, 6DRFJF), PEUGEOT 407 (6D_) 2.0 Flex (6DRFJB), PEUGEOT 407 (6D_) 2.2 16V (6D3FYH, 6D3FYE), PEUGEOT 407 (6D_) 2.0 16V (6DRFJC, 6DRFJE, 6DRFJF), PEUGEOT 407 (6D_) 1.8 16V (6D6FYC), PEUGEOT 407 (6D_) 2.0 Bioflex (6DRFJB), PEUGEOT 407 (6D_) 1.8 (6D6FZB) … 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 407 (6D_) and other PEUGEOT models
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Main steps for Lambda sensor replacement on PEUGEOT 407 (6D_) 2.0 Flex (6DRFJB)
Lambda sensor for PEUGEOT 407 (6D_) 2.0 Flex (6DRFJB) Petrol/Ethanol (140 hp)
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Tools
Replacement: lambda sensor – PEUGEOT 407 (6D_). 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 – PEUGEOT 407 (6D_). 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 407 (6D_) – 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 407 Saloon 2004 - free PDF and video manuals
    Detach the oxygen sensor connector.
  2. Step 4
    How to replace PEUGEOT 407 (6D_) 2.0 HDi 135 (6DRHRH, 6DRHRE, 6DRHRG, 6DRHRJ) 2005 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 407 Saloon 1.6 HDi 110 (6D9HZC, 6D9HYC) 2006 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 407 (6D_) 1.8 (6D6FZB) 2007 by yourself
    Remove the oxygen sensor.
  5. Step 7
    How to remove PEUGEOT 407 2.0 HDi (6DRHRH) 2008 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 407 (6D_) 2009: 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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