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TimoSpeedster

Audi A6 Sedan problems with the DPF

Strong exhaust smell

Check engine light on

DPF regeneration failure

Loss of engine power

Black smoke from exhaust on acceleration

Hello everyone, I have a problem with my Audi A6 Diesel (built in 2016) that I just can't get to grips with. It smokes quite black when accelerating and the engine light is on. It has also lost power and the DPF regeneration won't work. The exhaust also smells pretty bad. My suspicion lies with the diesel particulate filter, which is probably heavily loaded. Do any of you have experience of similar problems and could give me a few tips? I would be particularly interested to know how you solved this in the workshop and what your experiences were. Many thanks in advance!

(Translated from German)

4 comment(s)


ChrisFuchs

Hi. I had a similar problem with my 2014 Audi A4. I have intermediate knowledge of cars, so I'm not a professional, but I'm not a novice either. When I noticed that my car was smoking heavily and losing power, I decided to take it to my local garage. After a thorough inspection, it turned out that the diesel particulate filter (DPF) was defective due to high mileage. I was offered a repair of 1550 euros. It wasn't cheap, but it solved the problem. After that, my car ran perfectly and no longer smoked. Can you give me a few more details about your car? How many kilometers has it run and when did you last change the oil? The more information I have, the better I may be able to help you.

(Translated from German)

TimoSpeedster (Author)

Hi, thanks for your quick reply! My A6 already has quite a few kilometers on the clock, namely 253467 km. Quite a lot, isn't it? The last service was only recently, but the problem with the smoke is still there. Your experience report doesn't sound very encouraging in terms of costs. But if it helps, then it helps. Thanks again for the info!

(Translated from German)

ChrisFuchs

Hey, no problem, we're here to help each other! Yes, 253467 km is quite an achievement. I suspect that the DPF is exactly the problem you have, as it was for me back then. It's hard to say whether it's worth repairing or not. You'll have to decide for yourself. But what I can advise you: It's worth having the DPF checked by an expert. Perhaps it is too heavily loaded and just needs a proper regeneration. If a complete replacement is necessary, the price I mentioned could serve as a guide. Perhaps your workshop has different price specifications. In any case, I'll keep my fingers crossed that it won't be that expensive for you. In my case: After the repair, my car drove without any problems, the black smoke is gone and the engine performance is great again. So it was worth it for me. I hope you get the problem under control soon and that your Audi runs smoothly again!

(Translated from German)

TimoSpeedster (Author)

Hello and thank you again for your detailed reply! It helps to know that I'm not alone with such a problem. The end of the story is probably that I can't avoid going to a garage. The information about your costs is very useful, so I know roughly what I might have to expect. I'm going to call a few garages in my area and get some comparisons. There can be considerable price differences. I'm excited and a little nervous, but I'm hoping for the best and keeping my fingers crossed. Your experience gives me courage that things will get better afterwards. Thank you again for your support!

(Translated from German)

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