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Old 11-29-2012, 10:00 PM   #9
corvallisbattery
Scooby Newbie
 
Member#: 333030
Join Date: Sep 2012
Chapter/Region: NWIC
Location: Corvallis, OR
Vehicle:
'05 WRX
PSM

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Yep. Get a log or do a live read and observe O2 sensor voltage. Also look at short term fuel trim. That will shed more light on the O2 and be a good starting point for looking for leaks. Between your stft being + or - that will tell you a ton of info
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