FormulaFlash ME7.8.8 ECU O2 Off Guide
How to perform ME7.8.8 ECU O2 OFF for Chinese cars ChangAn, Geely, Changecheng etc using FormulaFlash programmer? O2 OFF: “O2 off” generally means the oxygen sensor has been deliberately turned off, or the computer is detecting that it’s not working properly. This can happen in two very different ways: through a custom engine tune,… Read More »



