Opel Insignia check engine light, loss of power, engine jerks and the check engine light is on

Hey, I had a similar problem with my 2017 Opel Astra (gasoline engine). My car also showed various symptoms such as black smoke, check engine light, loss of power and restless engine. After the diagnosis in the workshop, it turned out that the engine control unit was defective. This is definitely a serious problem. The garage explained to me that the engine control unit plays a central role in controlling the engine and can cause numerous malfunctions if it is defective. In my case, the component was replaced and the software reloaded. After that, the car ran perfectly again. I would recommend that you visit a garage as soon as possible and have your car diagnosed to avoid major damage. Good luck! LG

(Translated from German)

Hey, thanks for the info! I hadn't thought about that before. Do you remember how much you paid for the replacement and the new software? And did you have any other problems with your Astra after the repair? LG

(Translated from German)

Hey, sure, I can still remember it well. It cost me €1000 to repair the engine control unit back then. That was quite a lot of money. But I have to say that the Astra has been running smoothly ever since. The workshop also fixed the defective ignition coil or misfiring, so all the symptoms you described were gone afterwards. I hope this helps you. If you have the repair done, I wish you every success! Maybe you still have a warranty or something, which could reduce the costs. LG

(Translated from German)

Hey, thanks for the detailed information! 1000 € is quite a lot, but if everything works again afterwards, it's probably worth the money. I'll definitely go to the garage as soon as possible and have it checked, maybe I'll be lucky and it's just a faulty ignition coil or even something minor. If it's the engine control unit, I'll probably have to bite the bullet. I hope that there won't be any more problems straight away. Let me know again when I know more details. Thanks again for your help and tips! LG

(Translated from German)