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friedhelmlion6

DS4 Engine Smoke and Power Loss

Hi, my 2023 Citroen DS4 diesel has an issue. The check engine light is on, engine power is reduced, and there's smoke when I accelerate. Mileage is 101540 km. Any ideas?

4 comment(s)

finnjohnson10

Sounds like a PCV valve issue. I had something similar with my DS4. Is the smoke bluish, and does it smell a bit oily?

friedhelmlion6 (Author)

Yes, the smoke is bluish and smells oily. What did you do about it?

finnjohnson10

Yep, definitely sounds like the crankcase ventilation valve. Get it checked out at a workshop. Likely needs replacing, which should solve it. Don't keep driving like that!

friedhelmlion6 (Author)

Thanks, I appreciate the help. Took it to the workshop, and it was indeed the crankcase ventilation valve. Repair cost 360€, all fixed now.

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