karlstar4

VelSatis Check Engine Light and Smoke

I have a 2009 Renault VelSatis with a gasoline engine. The check engine light is on, engine power is reduced, and there's smoke when accelerating. Suspect a crankcase ventilation valve issue. Any thoughts?

A 2009 Renault VelSatis is experiencing a check engine light, reduced engine power, and smoke during acceleration. The suspected issue is a defective crankcase ventilation valve. A similar case with an Opel Insignia pointed to a clogged PCV valve causing similar symptoms. The problem was confirmed and repaired at a workshop, emphasizing the importance of maintaining the ventilation system.

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4 comment(s)

That sounds familiar. I had similar symptoms on my old Opel Insignia – check engine light, loss of power, and even some smoke. It turned out to be a clogged PCV valve. Emissions were way off!

Clogged PCV valve, interesting. Was it difficult to diagnose properly? Any specific symptoms that pointed to that?

Diagnosing it took a bit, but the persistent smoke, combined with poor engine performance, was a major clue. Given your VelSatis's symptoms and the ventilation system involvement, I'd advise having it checked by a professional workshop.

Thanks for the insight. Took it to the workshop; indeed the crankcase ventilation valve was defective. Repair cost 360€. I'll make sure to keep the ventilation system in mind for future maintenance.

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RENAULT

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VELSATIS