Peugeot 607 EGR Valve Symptoms

I've got a 2006 Peugeot 607 with a diesel engine, 291723 km on the clock. Recently, I've noticed reduced engine power, the check engine light is on, visible smoke when I accelerate, rough engine running, increased fuel consumption, jerking during acceleration, and a loud hissing sound when accelerating. I suspect a defective EGR valve. Has anyone had similar issues with this model?

4 comment(s)

Hey, I had something similar with my 607. Those symptoms sound like a jammed EGR valve for sure. Does it idle rough too?

Thanks! Yes, the engine does exhibit a rough idle. Could you tell me more about your experience? Did you have the same symptoms, and how did you fix it?

Yep, rough idle, loss of power, the whole shebang. I tried cleaning the EGR valve myself, but it didn't really fix it. Ended up taking it to a workshop, they replaced the EGR valve, and everything was back to normal. Best to get it checked before it messes up other stuff.

Thanks for the advice. I'll book an appointment with a mechanic to check it out. A new EGR valve seems likely. I've been quoted 355€ for the replacement and labor. Thanks again!

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