P00 19 Mercedes-Benz 272 engine failure

P00 19 Failure of Mercedes-Benz 272 Engine My experience is that I have changed the accessories many times and tried different brands of additives many times, but I can't solve it. There is only one answer, which is normal. Finally, it was solved by an old master in the repair shop of a street shop. Two solvent cleaners were added to the fuel tank, which made me run two boxes of oil. It eased a lot when I used it for the first time, and it was completely smooth when I got to the fourth tank of oil. I used it once after 5000 maintenance, and there has been nothing wrong with the car. The store owner also asked me what to do, and I just smiled.