Engine problems and strong exhaust odor in 2007 diesel Citroen C6: Suspected defective EGR valve

Hey, I had similar symptoms to yours with my 2010 diesel Citroen C5. Was also pretty sure it was the EGR valve. At the garage they then confirmed that the EGR valve was faulty and stuck. They had to remove it, clean it and then reinstall it. That was no walk in the park because the valve was pretty tight. Overall, it was a serious problem because it can cause loss of engine power and could cause engine damage if you keep driving. Better take your car to the garage if you have the same symptoms. Next time it could be more than just the EGR valve. Better not make the same mistakes I did and don't wait too long. Hope I was able to help! All the best to you!

(Translated from German)

Hey, thanks for your feedback. Actually, that sounds pretty similar to my problem. Can you remember what you had to pay for the repair back then? Have you encountered any other problems since then? I really want to avoid getting ripped off at the garage again... Thank you!

(Translated from German)

Hey, Jupp, I still remember the bill, I haven't forgotten the €355 so quickly. That was the price for fixing the EGR valve fault. Since the mechanics fixed the malfunction in the EGR valve, the car has been running like clockwork again. No further problems after that and the fix seems to have fixed the problem, at least so far. I would definitely suggest getting the car looked at. It's quite an expense, but it's definitely worth it before any major engine damage occurs, every penny is well spent. And as a general rule, don't wait too long. Hope this is helpful, man! All the best to you!

(Translated from German)

Hey, thanks for your help and information. The price does sound reasonable and it's reassuring to know that you haven't had any other problems. I will have to visit a garage for better or worse.... Better sooner than later before my car suffers more damage. Thanks again and all the best to you!

(Translated from German)

Diagnosis on Citroën c3 : EGR valve measurement (severe) Can you tell me more

(Translated from French)

Sure, the EGR (Exhaust Gas Recirculation) valve is a crucial part of your Citroën C3's emission control system. It helps reduce the amount of nitrogen oxide that your car produces. If your diagnosis is showing a severe measurement, it could mean that the EGR valve is stuck open or closed, or it's clogged with carbon deposits. A stuck or clogged EGR valve can cause engine performance issues such as rough idle, reduced power, and even cause the engine to stop running. It's a serious issue that needs immediate attention. You can try cleaning the EGR valve yourself if you're comfortable with car maintenance. However, if the valve is severely damaged, it may need to be replaced. I would recommend taking your car to a professional mechanic to ensure the issue is properly addressed. Please keep us updated on your progress and let us know if you have any further questions.