Fuel Trims max out positive at idle (Closed to Open Loop Fault) and rough idle during that time | Nissan Frontier Forum
Understanding: Fuel Trim: Long Term, and Short Term Fuel Trims (LTFT and STFT) : Openflash Performance
![STFT and LTFT - Bimmerprofs.com | NOx emulator NOXEM 129 | 130 | 402 developed for BMW N43 & N53 series engines STFT and LTFT - Bimmerprofs.com | NOx emulator NOXEM 129 | 130 | 402 developed for BMW N43 & N53 series engines](https://bimmerprofs.com/wp-content/uploads/2017/06/BMW_STFT_and_LTFT_1.png)
STFT and LTFT - Bimmerprofs.com | NOx emulator NOXEM 129 | 130 | 402 developed for BMW N43 & N53 series engines
![Short Term fuel Trim Long Term fuel Trim fully explain | P0170 | P0172 | The Car Doctor Pakistan - YouTube Short Term fuel Trim Long Term fuel Trim fully explain | P0170 | P0172 | The Car Doctor Pakistan - YouTube](https://i.ytimg.com/vi/Yk04zr-49HQ/maxresdefault.jpg)