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How to Solve the False Faults in the Anti-Pollution System of the Citroen C3
Model: Citroen C3
SC
- Years 2009-2016
In this video, we address a problem that seems to be quite common, as discussed in forums, which is the anti-pollution system indicating faults that do not actually exist. Rarely are these stored in the ECU, but errors are shown on the instrument cluster, indicating that the anti-pollution system - whether it is a diesel or petrol vehicle - has faults. The owner gets worried, takes the vehicle to the mechanic, who finds nothing but still wants a hefty fee for the service. Our YouTuber advises, based on his experience: he cleaned and dried his fuses thoroughly, paying particular attention to those in the engine bay, which are more exposed. He then sprayed them with WD-40, which protects them from moisture, and since then he has not had any more issues of this kind. Therefore, especially if you live in a humid climate, try this method, and you will likely resolve the problem.
Updated on 2 August 2026 by ScegliAuto
Video tutorial
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