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Old 09-07-2010, 06:23 PM   #11
Scooby Specialist
Member#: 59703
Join Date: Apr 2004
Chapter/Region: VIC
Location: Vancouver
2004 STi
always wrb


I don't know if there is a test you can perform on a O2 sensor but I failed with a OEM up and downpipe. And passed after replacing the sensor.
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Ricewagon is offline   Reply With Quote