Black smoke and bumpy running: tips wanted for 2012 Opel Mokka gasoline engine

Hey buddy, I had similar symptoms on my 2015 Opel Insignia. It ran almost the same distance as your Mokka and behaved really dissimilarly. It was actually a problem with the low pressure fuel system. The guys at the garage discovered that the software values for my fuel pump were completely wrong. They had to correct the values and after that the pump was back in tune and the car was running smoothly again. It was a pretty serious issue as it massively affected fuel consumption and performance. So get ready for quite a repair, buddy! Hope this helps you out.

(Translated from German)

Hey, thanks for your help and info! That sounds pretty much like my problem with the Mokka. Do you happen to remember how much the repair cost you? And have you had any other problems since then or was it all fixed and your car has been running smoothly ever since? I'd be really interested to know if there's anything else coming up.

(Translated from German)

Hey, no problem at all, always happy to help! In my case, it was €45 to correct these incorrect software values for the fuel pump. Thank God I haven't had any more problems with the low-pressure fuel system since then. The fault was rectified by the mechanic and my car has been running like clockwork ever since! But every car is different, so keep that in mind, buddy. Hope it goes just as smoothly for you!

(Translated from German)

Wow, that's really good news! 45 € sounds like a fair price at first. I hope my mechanic will find and fix the fault as quickly as I did. A big thank you for your helpful info and tips, buddy. Really put my mind at ease a bit. Really hope my Mokka runs like clockwork then, yeah! I'm relying on that now and hoping for the best!

(Translated from German)