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Old 01-13-2013, 06:53 PM   #1
Bugeye115
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Member#: 217771
Join Date: Jul 2009
Chapter/Region: SWIC
Location: oklahoma
Vehicle:
2011 Stage 2 SWP WRX
1984 Subaru Brat

Default 2011 WRX Datalogs - what do you think?

I did two datalogs today just to make sure I wasn't underboosting or overboosting and to make sure its running the way it should. I'm currently running the Cobb OTS stage 1+ map and I havent had any problems with the car, its been flashed for about a year. If you look at both logs you'll notice the fineknock learn is picking up alittle, I've been told its pulling time when it does that? I will note on one of them I was in boost when I started logging, some delay, and I didn't quite go to red line. I want to see if someone can make sense if my logs and tell me if its running good or not. I also noticed I'm hitting around 14psi of boost and I thought it should be around 16psi?

http://i470.photobucket.com/albums/r...B7829E0230.jpg

http://i470.photobucket.com/albums/r...B73216AF99.jpg

thanks
SJ
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Old 01-14-2013, 09:57 AM   #2
Cobb Tuning
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Join Date: Mar 2001
Location: Austin, DFW, Portland, SOCAL
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Originally Posted by Bugeye115 View Post
I did two datalogs today just to make sure I wasn't underboosting or overboosting and to make sure its running the way it should. I'm currently running the Cobb OTS stage 1+ map and I havent had any problems with the car, its been flashed for about a year. If you look at both logs you'll notice the fineknock learn is picking up alittle, I've been told its pulling time when it does that? I will note on one of them I was in boost when I started logging, some delay, and I didn't quite go to red line. I want to see if someone can make sense if my logs and tell me if its running good or not. I also noticed I'm hitting around 14psi of boost and I thought it should be around 16psi?

http://i470.photobucket.com/albums/r...B7829E0230.jpg

http://i470.photobucket.com/albums/r...B73216AF99.jpg

thanks
SJ
Hi SJ,

The fine knock learning was based on some past event and simply re-applied here until it ramps back to zero (which it has begun to do). So, we don't know under what conditions it was learned. But, it is a single count per event only so not a big deal.

One of your A/F Learning 1 trims is on the borderline extreme side (-6.25). I would keep an eye on these. You can view each individual value by viewing A/F Learning 1 A,B,C,D. These should individually generally be within +/- 5%. Well outside of that may indicate a post-MAF intake tract leak. The newer Subarus have had a problem with the intercooler to throttle body hose and leaks. I would just keep an eye on A/F Learning trims over time and see what they do.

You are underboosting a bit, but I would check the fuel trims over time before addressing that.

Bill
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