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Old 03-07-2013, 09:37 PM   #9
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Member#: 225024
Join Date: Sep 2009
Location: San Diego, CA, USA, Earth, ...
2002 wrx


Recently, I had a similar issue. Fluctuating boost, then eventually over boost, fuel cut and a cel for the bcs. I checked the oem bcs for proper function and it was fine. It ended up being a split in the boost reference line right by the nipple on the turbo's compressor. I replaced that section of line and everything's a-ok
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