fuel trim bank 1. What does it mean? Freeze frame stft was -0.7 ltft was 2.3 eng speed 2400, 67kph, load 12.2%, coolant 66 degrees c. Manufactures side has 3 miss fire codes, 17584 [p1176] a lambda correction after cat bank one, 17705[p1279] turbo/ throttle va... Login to read more.