Ares3985 Posted June 10, 2019 Share Posted June 10, 2019 Has anyone created a good how to on data logging? Not just a few specific items though. Like reading every value and understanding what the numbers mean and when they are out of range or not. There are many posts on specific items to look for but how about an all in one guide? Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
gkinslow Posted June 10, 2019 Share Posted June 10, 2019 Lots of good info on the Cobb website. Good place to start anyway. https://cobbtuning.atlassian.net/wiki/spaces/PRS/pages/172752967/Subaru+Datalog+Guide Link to comment Share on other sites More sharing options...
Ares3985 Posted June 11, 2019 Author Share Posted June 11, 2019 I just wish they had a table of acceptable values. That way I could run through my logs myself and see what areas had issues If any. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
gkinslow Posted June 11, 2019 Share Posted June 11, 2019 There are too many parameters and variables to have a list of acceptable values IMO. Once you understand what each logging parameter is used for, you can research what a values should be present in a healthy engine. You could also post up a datalog in the tuning subforum and request knowledgeable members review and give their opinions. Link to comment Share on other sites More sharing options...
Ares3985 Posted June 12, 2019 Author Share Posted June 12, 2019 Yeah I’m going to. Just haven’t had time to make a fresh one. Car sits in the garage and I been working late. I’ll get one up soon Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
Ares3985 Posted June 15, 2019 Author Share Posted June 15, 2019 Took these numbers this morning This one was 45mph 2500 rpm. This was at idle I also have a 3rd gear pull datalog which I will post when I get home Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
covertrussian Posted June 21, 2019 Share Posted June 21, 2019 Those learning values are higher then you would want (~5%). Being that they are positive, ECU is adding fuel, which means you could have a vacuum leak, clogged injector, clogged fuel filter, bad spark plugs, or bad o2 sensor, or bad MAF. I think in another thread you talked about removing the inlet, did you see any damage/holes in it? 05 LGT 16G 14psi 290whp/30mpg (SOLD) 12 OBP Stock 130whp/27mpg@87 Oct 00 G20t GT28r 10psi 250whp/36mpg 22 Ascent STOCK Link to comment Share on other sites More sharing options...
Ares3985 Posted June 21, 2019 Author Share Posted June 21, 2019 Those learning values are higher then you would want (~5%). Being that they are positive, ECU is adding fuel, which means you could have a vacuum leak, clogged injector, clogged fuel filter, bad spark plugs, or bad o2 sensor, or bad MAF. I think in another thread you talked about removing the inlet, did you see any damage/holes in it? No there were no holes but when the guy replaced the turbo he never put the hose clamp back on. I have a new silicon inlet now and I hose clamped it. I went under it with a camera and checked to make sure it was all strapped down tightly. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
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