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Old 12-01-2012, 02:22 PM   #2
Tripintaz
Scooby Specialist
 
Member#: 245218
Join Date: Apr 2010
Chapter/Region: South East
Location: FL
Vehicle:
2013 STI Limited

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Am I understanding you correctly? You're saying the car runs fine at WOT and the AFR is good (11.1:1). But once the CEL comes on the AFR goes way lean at WOT?

Are you reading this off the AP or do you have an aftermarket wideband installed?

Side note, you've checked for vacuum and exhaust leaks already right?
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