Hello guys I have Nissan versa 2008 It shows the lean code p01071. I displayed the live data and the short fuel trim is 25. When I press on the fuel pedal the value of the SFT is increase slightly and when I release The value decrease to zero then it returns to 25. I disconnected the maf and i got -25 value . Please see the attached video of the live data. I would be so grateful if someone help me with this problem it is really stressing me.