Mai Rui Bao xl 1.3t fuel correction is incorrect. What happened?

It's best to go to a 4s shop and find a professional, because there is a great possibility.

The mixture is too thin. Check the fuel pump pressure. Data flow detection of oxygen sensor voltage signal, short-acting fuel correction value. Engine load signal. Mixtures are too rare for many reasons. Air leakage in the intake system, dirty nozzle, low fuel pressure, incorrect intake pressure signal, incorrect intake temperature or water temperature signal, etc. It is suggested to rule out the possible reasons one by one. Check the data flow of oxygen sensor, and clean the throttle nozzle first if there is no problem. It is recommended to switch to high-grade gasoline.