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Old 01-23-2013, 12:19 AM   #5
Tripintaz
Scooby Specialist
 
Member#: 245218
Join Date: Apr 2010
Chapter/Region: South East
Location: FL
Vehicle:
2013 STI Limited

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Quote:
Originally Posted by BDesh View Post
Ok I did some more testing and the AFR's at WOT throttle were avg. 11.9 to 12.3 with the occasional jump to 12.5 or 12.6 for a split second then dropped back down to avg. 12.3.

What could be causing the spit second jumps?
A post maf boost leak is one possibility. If you figure out how to read your fuel trims it might shed some light on things.
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