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    4. : Why does the engine failure warning light come on in the Citroen DS3 petrol?

Why does the engine failure warning light come on in the Citroen DS3 petrol?
Years 2010-2019

Answer

The engine failure warning light usually refers to a power supply problem of the engine, therefore injectors, fuel pump, etc. Another reason could be a dirty lambda probe, due for example to dirt residues in the fuel and so on.
Posted on: 21 February 2023 by ScegliAuto

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