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TofuJoe · 02-07-2018, 08:59 PM

@steve99 - I was able to borrow an EcuTek cable today and do a log. Let me know what you think: https://datazap.me/u/jreifer/2017-br...12-16-21-29-30

Trim the datalog to between about the 8 through 24 time s marks to see the pull. I couldn't figure out how to get this view permanently.

Some things I noticed (I'm a beginner here, so these are more observations/questions than answers):
Long Term Fuel Trim is steady at -1.6 during the pull.
Ignition timing takes a slight dip between 4400-4800 (normal?).
Actual Lambda is about .90-.86 until the end of the run when it dips to .75.
AFR actual takes a second to get in line with the target AFR.
Lambda actual and target take a second to get in line and then are very close.

I'm sure there are a ton of things I'm missing here. Interested to hear your thoughts. Thanks!

02-07-2018, 08:59 PM	#39
TofuJoe Ohne Titel Join Date: May 2015 Drives: 2017 BRZ PP ISM Location: SF Bay Area Posts: 684 Thanks: 1,141 Thanked 412 Times in 234 Posts Mentioned: 11 Post(s) Tagged: 0 Thread(s)	@steve99 - I was able to borrow an EcuTek cable today and do a log. Let me know what you think: https://datazap.me/u/jreifer/2017-br...12-16-21-29-30 Trim the datalog to between about the 8 through 24 time s marks to see the pull. I couldn't figure out how to get this view permanently. Some things I noticed (I'm a beginner here, so these are more observations/questions than answers): Long Term Fuel Trim is steady at -1.6 during the pull. Ignition timing takes a slight dip between 4400-4800 (normal?). Actual Lambda is about .90-.86 until the end of the run when it dips to .75. AFR actual takes a second to get in line with the target AFR. Lambda actual and target take a second to get in line and then are very close. I'm sure there are a ton of things I'm missing here. Interested to hear your thoughts. Thanks!