LTFT ·
Fuel trim Reset - Gen3 and Gen 4
When flashing tunes many times we see the Fuel trims stick and add +/- 10-25% on the fueling l which will affect all logs and the way the engine runs - There is an easy fix you just go into the vehicle Controls and special functions - and select the fuel Tab - The on the left side click - fuel trim reset - sometimes this can take 2-3 times