Hi All,
I've been having some issues with my LTFT and STFT, namely my LTFT can range from -13 to 15 (mostly around -6 to -3 at cruising) and the STFT ranges from -15 to 30 (mostly around +/-5 at cruising).
The current fuel scalar is already at 1.18 for CA91 pump gas only.
This happens primarily under low rpm between 1300-1700 rpm when I accelerate from 3rd gear to 6th gear in D mode (Alpina flashed) or in uphill situations (the LTFT shoots up >10). WOT or at 2K rpm and above, there's no obvious issue. Any ideas what might be causing it?
The one thing I did observe, if you take a look at the logs attached, you'll notice the lambda (AFR) shooting up to 200 from 14.7 whenever I'm coming to a stop and let off throttle completely. Is this normal or this is an indication something is wrong with my car and causing all the fuel trim issues?
http://1drv.ms/1up2kfM
http://1drv.ms/1up2y6p
http://1drv.ms/1sgfCB9
I've been having some issues with my LTFT and STFT, namely my LTFT can range from -13 to 15 (mostly around -6 to -3 at cruising) and the STFT ranges from -15 to 30 (mostly around +/-5 at cruising).
The current fuel scalar is already at 1.18 for CA91 pump gas only.
This happens primarily under low rpm between 1300-1700 rpm when I accelerate from 3rd gear to 6th gear in D mode (Alpina flashed) or in uphill situations (the LTFT shoots up >10). WOT or at 2K rpm and above, there's no obvious issue. Any ideas what might be causing it?
The one thing I did observe, if you take a look at the logs attached, you'll notice the lambda (AFR) shooting up to 200 from 14.7 whenever I'm coming to a stop and let off throttle completely. Is this normal or this is an indication something is wrong with my car and causing all the fuel trim issues?
http://1drv.ms/1up2kfM
http://1drv.ms/1up2y6p
http://1drv.ms/1sgfCB9