Citroen C4 Oxygen Sensor
Replacement oxygen sensor — fitment, symptoms & live UK prices.
Fits Citroen C4 — check your reg/VIN to confirm
From £10.78 · 6 live listings on eBay
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Oxygen Lambda O2 Sensor Fit Peugeot 208 308 2008 3008 Citroen C3 C4 DS4 Aygo 1.2
£10.78View ›
Oxygen Lambda O2 Sensor For Peugeot 308 2008 3008 Citroen C3 C4 DS4 Aygo 1.2
£10.78View ›
Oxygen Lambda O2 Sensor For Peugeot 208 308 2008 3008 Citroen C3 C4 DS4 Aygo 1.2
£10.88View ›
Oxygen Lambda O2 Sensor Fit Peugeot 208 308 2008 3008 Citroen C3 C4 DS4 Aygo 1.2
£11.88View ›
Lambda Oxygen O2 Sensor For Peugeot 208 308 2008 3008 Citroen C3 C4 DS4 Aygo1.2
£12.00View ›
Oxygen Lambda Sensor For Peugeot 208 308 2008 3008 Citroen C3 C4 DS4 Aygo 1.2 UK
£12.00View ›
Will it fit my Citroen C4?
Pre-cat (upstream) and post-cat (downstream) sensors are different parts — check which one your fault code points to, and how many your engine has.
Tip: filter by your reg on eBay's compatibility check, or match the part number stamped on your old unit.
Signs your Citroen C4 oxygen sensor needs replacing
- Engine warning light (O2/lambda code)
- Poor fuel economy
- Rough idle or hesitation
- Failed emissions/MOT
Fitting it yourself
Usually a single plug and a thread into the exhaust — quick if it's not seized. Penetrating oil helps on an old sensor.
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