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Old 10-30-2011, 09:42 AM   #1
aTriz
Scooby Newbie
 
Member#: 95202
Join Date: Sep 2005
Chapter/Region: South East
Location: South FL
Vehicle:
2011 WRX
PhatBotti e85 Tuned

Default 2011 WRX stage 2 Log check please

Here is a 3rd gear pull,
Mods: Invidia catless DP, walbro 255lph, stg 2 protuned.

https://docs.google.com/spreadsheet/...HdoSzlwdmIwU1E

I'm kinda worried about all that knock correction, but I don't know what I'm really looking at. Please help me out, Thanks everyone.

- Adam
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Old 10-30-2011, 09:54 AM   #2
Cobb Tuning
NASIOC Vendor
 
Member#: 4803
Join Date: Mar 2001
Location: Austin, DFW, Portland, SOCAL
Default

Quote:
Originally Posted by aTriz View Post
Here is a 3rd gear pull,
Mods: Invidia catless DP, walbro 255lph, stg 2 protuned.

https://docs.google.com/spreadsheet/...HdoSzlwdmIwU1E

I'm kinda worried about all that knock correction, but I don't know what I'm really looking at. Please help me out, Thanks everyone.

- Adam
Hi Adam,

It appears your DAM has dropped (to 0.94). The positive fine knock learning you are seeing is not knock, but the ECU adding timing back in because the DAM is less than 1.0. The DAM dropping is an indication of knock.

What is concerning about this log is that you have some long-term fuel trims (A/F Learning 1) as extreme as -12%. You should get with your tuner. This could be a mechanical issue with the car or the tune may need to be tweaked if you are running an aftermarket intake. If you changed the intake after the tune was completed, that would be another reason.

Bill
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Old 10-30-2011, 10:06 PM   #3
aTriz
Scooby Newbie
 
Member#: 95202
Join Date: Sep 2005
Chapter/Region: South East
Location: South FL
Vehicle:
2011 WRX
PhatBotti e85 Tuned

Default

hmm, still running on the stock intake. I wonder if it has to do with the fuel pump? That is the only thing I added after the tune was done?
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Old 10-31-2011, 10:11 AM   #4
Cobb Tuning
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Member#: 4803
Join Date: Mar 2001
Location: Austin, DFW, Portland, SOCAL
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Quote:
Originally Posted by aTriz View Post
hmm, still running on the stock intake. I wonder if it has to do with the fuel pump? That is the only thing I added after the tune was done?
Generally, adding an aftermarket fuel pump isn't a problem unless your stock pump couldn't keep up and therefore the FPR couldn't maintain pressure (and you ended up tuning around this). But, I would get with your tuner.

Bill
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Old 11-03-2011, 04:41 PM   #5
Phatron
Scooby Guru
 
Member#: 36033
Join Date: Apr 2003
Chapter/Region: SCIC
Location: Tuning Lab
Vehicle:
CEO PhatBottiTuning
2006 STi GTX3582 + Meth

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atriz, pm sent
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