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Old 10-06-2012, 05:43 PM   #7
the suicidal eggroll
Scooby Guru
Member#: 51961
Join Date: Jan 2004
Chapter/Region: RMIC
Location: Broomfield, CO
2005 STi
2012 WRX


Positive means it's adding fuel, negative means it's removing fuel. A vacuum leak will show positive since it needs to add fuel to correct for the leak.
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