Day together, because it doesn’t fit directly into the last topic comes here something new. I used the search, but I can’t find the answer to my question. I installed the HJS cold-running controller today, of course before at the TÜV for the exhaust gas measurement (by the way perfect values, Lambda 1,003, CO 0.06% and HC only 3 ppm). Then I installed the air filter box on the second one, because I wanted to change the filter, accidentally forgot to plug the plug from the air mass meter again and started the engine. So I drove home, about 5km. I noticed that after decoupling the empty-running number is very low short, then slowly to go back to the normal ~800min^-1. Can this have to do with the forgotten plug? If I have now saved a fault code or does it go away by itself? With other manufacturers, the errors “delete” partly by themselves if they don’t occur again. And, the forgotten this plug triggers the mentioned error picture or is on the cold-running controller.