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Old 09-08-2007, 12:38 AM   #14
Scooby Specialist
Member#: 97642
Join Date: Oct 2005
Chapter/Region: SWIC
Location: Phoenix, AZ
2002 Wrx Sedan


I have heard of a few leaking when at idle. The MAF tells the ecu how much air is being used and fueling is adjusted accordingly. If you have a leak then your motor is getting less air then the ecu thinks so you run rich.

How did you tune out your issue, mess with the maf table?
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