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Old 01-18-2016, 12:25 PM   #9
simpleJ
Scooby Specialist
 
Member#: 391748
Join Date: May 2014
Chapter/Region: NESIC
Location: The Shire
Vehicle:
2015 WRX CWP (sold)
2019 STi CWP

Default

A protune may or may not help depending on the source of the issue. A leak or mechanical issue, no help. A tune or scale issue and it will be a help.

You should be taking an observing data logs, even if your AF learn is fine (which mine is now) you could have odd open loop fueling characteristic.

I'm still trouble shooting
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