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Old 12-05-2012, 11:05 AM   #18
Scooby Guru
Member#: 134005
Join Date: Dec 2006
Chapter/Region: MAIC
Location: Pittsburgh, PA
2004 WRX Premium


Originally Posted by Tripintaz View Post
Your C and D fuel trims are a negative value beyond the recommended 8% max. I would check for boost leaks using a better method. The Brake Cleaner method is not very good.
Positive numbers indicate fuel is being added, aka a lean condition, aka leaks or a poor MAF.

Negative amounts indicate fuel is being taken away... which would mean what mechanically?
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