I pulled the ECM fuse (nr 36). At least I now know the LTFT is carved in stone :). Put the fuse back in after 20 min, no effect. Pulled the fuse again, 1 hour later in contact push brakes etc, wait for another 2 hours. Put the fuse back in, checked the LTFT, still the same. I give up, there is no wa...

Are you sure? I thought the LTFT is a based on the STFT values over a longer period. If I disconnect the battery and the LTFT is still the same after reconnecting, then I must assume it was not reset at all. If it was, the LTFT would start at 0 and if there is still a problem, it would climb back to...

I was afraid there would be no answers. It seems to be a very difficult thing just to reset the fuel mapping. At least, I think I searched the whole internet for it. Since I came across the topic on this website about how highly important it is to reset the LTFT after a fix, I gave it a go. But I un...

Hi Eddie. I'm in the same boat. Not replies to your topic, so it must be not an easy one. Did you ever figured it out?

Hi, I had a leak on the intercooler hose and fixed this. After 500 miles, the LTFT is more stable but still at 12% - 15%. I did a smoke test again, but no leaks. I was thinking the LTFT has to be reset, since the leak has been there for a long time. The LTFT does seems to be 'stuck'. I checked this ...