NikoLang

Seeking advice: Multiple engine problems with a 2007 Citroen C8 petrol engine

Dear car enthusiasts, I have a problem with my 2007 Citroen C8 gasoline engine (mileage 156732 KM) and hope to get some advice here. I've noticed some unpleasant symptoms with the car recently: black smoke when accelerating, warning light from the engine comes on, engine stops by itself, cold engine starts late, engine running rough, poor fuel consumption and sometimes it won't even start at all. I think it might have something to do with the cold start injector, but I'm not sure. I was pretty unhappy with my mechanic last time and don't want to be ripped off again. Has anyone here had similar experiences and can give me a tip on the best way to go about it? What was your experience at the mechanic with such problems? Thank you in advance for any answers! Have a nice day!

(Translated from German)

A 2007 Citroen C8 petrol engine is experiencing multiple issues, including black smoke during acceleration, engine warning lights, stalling, rough running, poor fuel consumption, and starting difficulties. These symptoms may be linked to a faulty engine control unit (ECU), as suggested by another user who had similar problems with a Citroen Berlingo. The recommended solution is to replace the ECU, and it's advised to find a trustworthy mechanic familiar with such issues to avoid further complications.

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4 comment(s)

Hi mate, sounds very similar to my 2010 Citroen Berlingo that I had in the garage for repair a while back. This problem definitely had something to do with the engine control unit, was faulty on mine too and probably caused a lot of these symptoms. The repair was a bit more extensive, I had to have the control unit replaced. To be honest, it was a serious matter, not an easy problem to fix. And don't forget, a faulty engine control unit can also cause considerable long-term damage to your car. Nevertheless, don't worry, it can be fixed! My advice to you is to find an expert you can trust and who is familiar with these problems. Even good luck and let me know how it goes!

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Hi Even, thanks for your quick reply! Your experience sounds really similar to mine. It seems that I can't avoid a repair, I already suspected that. Do you remember what you paid for the repair back then? I would also be interested to know whether any other problems occurred after the repair? Were there any other symptoms, for example? Thank you!

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Moin, sure, I still remember the repair. It was no walk in the park! Fixing the faulty engine control unit cost me a tidy €1000. But hey, what can you do, that's the way it is with cars, right? But to answer your question: since the visit to the mechanic, the problem with the cold start injection valve has been solved once and for all. I haven't had any further symptoms or new problems. I hope this helps you! And cheer up, your C8 will be fine! All the best, Even.

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Hi Even, your information is a great help, thank you! 1000 is quite a lot of money, but if it solves the problems and doesn't cause any new ones, then it's worth it. I am now a little relieved and will look around for a reliable mechanic who can do it for me. Thank you very much for the valuable information and your feedback. Let me keep you up to date as soon as my C8 is running again! Wish you all the best and maybe we'll talk again here in the forum. Best regards!

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