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Fiat Ulysee EGR Valve Symptoms

I have a 2009 Fiat Ulysee diesel. The check engine light is on, engine power is reduced, there's smoke on acceleration, rough running, increased fuel consumption, jerking, and a loud hissing sound when accelerating. Could a defective EGR valve be the problem?

The 2009 Fiat Ulysee diesel exhibited symptoms such as a check engine light, reduced engine power, smoke on acceleration, rough running, increased fuel consumption, jerking, and a loud hissing sound. These issues were suspected to be caused by a defective EGR valve. The gradual onset of symptoms and the nature of the problems pointed towards this component. After consulting a workshop, the diagnosis confirmed the EGR valve was faulty, and replacing it resolved the performance issues.

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4 comment(s)

Those symptoms sound familiar. I have a diesel Ulysee too. Did the symptoms appear gradually, or suddenly? Have you checked the error codes? It sounds like the EGR valve.

Thanks. The symptoms emerged gradually over a few weeks. I haven't retrieved the error codes yet. Can a faulty EGR valve really cause so many symptoms?

Yes, a malfunctioning EGR valve can cause a lot of problems. Given the symptoms and gradual appearance, it's probable. You could try cleaning it, but in my experience, you're better off replacing it. I suggest a workshop.

Thanks for the advice. I consulted a workshop. The diagnosis matched our suspicions: the EGR valve was defective. The repair was 355€, but the vehicle's performance is back.

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FIAT

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ULYSEE