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Old 04-16-2010, 10:04 PM   #1
Scooby Newbie
Member#: 226156
Join Date: Oct 2009
Location: kent, ohio
2006 wrx

Default 06 wrx stage 2 not holding boost

just took my wrx to stage 2 a couple weeks ago (cobb ap) and lately it seems like when i take off hard and go through the gears the boost will start off at like 15 lbs and slowly fall off as low as like 10 lbs by the end of the gear. but the weird thing is, this wont happen if i am in say 3rd or 4th gear and floor it-the boost will seem to hold. is this normal or is there some sort of problem? any input will be helpful.
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Old 04-16-2010, 10:42 PM   #2
Scooby Specialist
Member#: 175821
Join Date: Mar 2008
Chapter/Region: Tri-State
Location: Chicago, IL
2011 x5 diesel


yeah the turbo can't hold full boost to redline....it can't flow enough air.

Totally normal, should fade to about 9-11 psi in all gears by redline.
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Old 04-17-2010, 09:03 AM   #3
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Member#: 232940
Join Date: Dec 2009
Location: cold

Without a series of accesstuner logs it's hard to say if there's anything going on, but the boost should fall off up top.
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Old 04-23-2010, 09:41 AM   #4
Scooby Specialist
Member#: 213288
Join Date: Jun 2009
Chapter/Region: Tri-State
Location: Delran NJ
2007 SWP VF39 WRX
Sti Mikey Tuned


Target Stg II is 15psi or so, tapering to 9-11psi @ redline.

Sounds pretty Healthy to me, does it pull strong?

Also, when you start your pull in 3rd gear does it hold 15lb all the way to redline? Or, does it hit target boost around 3-4k then tapper off around redline still?
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Old 04-23-2010, 06:01 PM   #5
Scooby Newbie
Member#: 186508
Join Date: Aug 2008
Chapter/Region: South East
Location: Kingsland, GA
2005 WRX


target is 16.5 +/- .7
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Old 04-26-2010, 12:44 PM   #6
Scooby Newbie
Member#: 127103
Join Date: Sep 2006
Chapter/Region: South East
Location: Orlando
2006 WRX Wagon


Its 15.2 +/- 0.7 for the 06 wrx
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