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    4. : Why does the AdBlue warning light remain on in the Citroen C4 even after filling up the tank?

Why does the AdBlue warning light remain on in the Citroen C4 even after filling up the tank?
Years 2020-2027

Answer

It is quite normal that in the Citroen C4, but also in other cars with a diesel engine, the AdBlue light remains on immediately after filling the tank with this additive. To turn it off, in fact, it is necessary to drive a few kilometers.
Posted on: 19 May 2023 by ScegliAuto

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