Data Logging - is my engine OK?
#1
#2
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Here's an example of data in graphs.
Cheers,
#3
#5
#6
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My papers in this thread will help explain fuel trims.
https://www.jaguarforums.com/forum/g...highlight=quiz
Cheers,
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wasp69 (07-31-2012)
#7
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#8
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Ideally you want them around zero, but in practice, plus or minus about 8% is something you can live with.
My papers in this thread will help explain fuel trims.
https://www.jaguarforums.com/forum/g...highlight=quiz
Cheers,
My papers in this thread will help explain fuel trims.
https://www.jaguarforums.com/forum/g...highlight=quiz
Cheers,
![Smile](https://www.jaguarforums.com/forum/images/smilies/smile.gif)
The numbers are similar on both sides with LTFT at +8 percent and STFT at -5 percent or so. The STFT does not seem to pull the LTFT back towards zero. The LTFT stays positive and the STFT stays negative.
So it seems more logging and a third read of the papers is ahead
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