HerbieSchneidy

Check engine light and DPF regeneration error on Peugeot Rifter Diesel 2021

Hi guys, I currently have a problem with my Peugeot Rifter Diesel, year of manufacture 2021, with a mileage of 50982 km. The check engine light is on, black smoke is coming out of the exhaust when accelerating, the cold start time is longer and also the DPF regeneration seems to be failing and the pre-glow light won't go out anymore. I suspect the problem could be a malfunction of the glow plugs - has anyone had similar symptoms and what measures were offered to you at the workshop? My last experience at the garage was unfortunately not a good one, so I would also like to know what your experiences were in such cases. Thanks in advance for your help and tips!

(Translated from German)

A 2021 Peugeot Rifter Diesel is experiencing issues with the check engine light, black smoke from the exhaust, extended cold start times, and a persistent pre-glow light, indicating a potential DPF regeneration failure. The initial suspicion is a malfunction of the glow plugs. However, a similar case with a 2018 Peugeot 3008 revealed that the control unit, not the glow plugs, was the root cause, requiring replacement to resolve the issue. It is recommended to have the vehicle checked by a specialist to accurately diagnose and address the problem.

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4 comment(s)

Hey, yes, this sounds very familiar, your symptoms are similar to my 2018 Peugeot 3008. It does sound like the control unit is faulty. That was exactly the case for me. The glow plug malfunction was just one of many problems. When I was in the garage at the time, the mechanics discovered that the control unit and not the glow plugs was the actual problem. They had to remove the ECU, check it and ultimately replace it as it had damaged some electronic components. This was a pretty serious problem as it affected the overall performance of the vehicle. It wasn't a quick fix, but it definitely helped. So, in my opinion, you could be right with your guess, but it could also be a different problem. It doesn't have to be the same for everyone. The best thing to do would be to take your car to a specialist and get it checked out properly. Good luck, brother. Let us know how it turns out!

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Hey, thanks for your reply. The control unit could also be the problem for me. Do you happen to remember what you paid for the repair? And have any problems occurred since then? Would be nice if you could share your experiences. Regards!

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Hey, of course, I remember it well. The repair of the defective control unit alone cost me €575 at the time. Not really cheap, but what can you do, it just had to be done. Since I've been to the mechanic, the problem with the glow plug malfunction has gone away. No more warning lights, no more long cold starts and the black smoke is also gone. So yes, it was money well spent. It is possible that the control unit is also the culprit in your car. I would recommend that you have it checked. See you then and good luck! Let me know how it goes!

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Hey, thanks for sharing your experience. 575 isn't cheap but if it fixes the problem then it's definitely worth it. I'll get my car in for a check up asap and hopefully it's nothing more serious. I'll report back here as soon as I know more. Thanks again and see you soon!

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PEUGEOT

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RIFTER