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#552: 03-20-2013, 07:50 PM
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Title: Authorized Tuning Vendor
Location: Colorado - Cryotune Performance
Car: 06specB,2011 STi,2015 WRX
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I would suggest digging for leaks or smoke testing the system.

Like I mentioned before, with the light mod list its probably something simple like a leak allowing unmetered air. Did your tuner suggest anything or offer to do any mechanical inspections *obviously for a fee*

Its really hard to say with no real data to go off.