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karen_kaiser9

Prius engine smoke and power loss

My 2012 Toyota Prius hybrid (131987 km) has the check engine light on, reduced power, and smoke during acceleration. I think it's the crankcase ventilation valve. Anyone seen this?

Summary of the thread

A 2012 Toyota Prius is experiencing engine smoke, reduced power, and a check engine light, potentially due to a faulty crankcase ventilation valve. Similar symptoms, including rough idle and smoke, were resolved by addressing the crankcase ventilation system. It is advised to have the system inspected by a professional to prevent further issues.

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4 comment(s)

lukasswift6

I had a similar problem with my Prius, though I don't recall the year. The smoke and check engine light sound familiar. Any unusual idle or emissions changes?

karen_kaiser9 (community.author)

Thanks. Yes, the idle is rougher. Can you share more about your issue? Were the symptoms the same?

lukasswift6

Rough idle and smoke were key. It was a defective crankcase ventilation. Get it checked by a workshop to avoid bigger problems.

karen_kaiser9 (community.author)

Thanks for confirming. I'll get the crankcase ventilation system inspected. Repair is about 360€.

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TOYOTA

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PRIUS