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Old 11-08-2016, 12:23 PM   #1
cosmo135
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Member#: 366463
Join Date: Aug 2013
Chapter/Region: MWSOC
Location: Sioux Falls, South Dakota
Vehicle:
2002 EJ207 V8 Wagon
Midnight Black Pearl

Have a Nice Day? Weird Boost Control Issues

So hey guys. I've got an EJ207 swapped WRX with a FMIC and HKS BOV recirculating into the intake system, CBE all that good stuff, with an open source tune. I'm having some issues where my Grimmspeed EBCS isn't hitting the boost numbers it should. I only hit my target boost if i roll onto the throttle from about 3k rpm. If i gun the throttle at about 4500rpm it will shoot to about 18 and taper back down to 15 ish. Along with that issue, when i shift after rolling onto the throttle, my boost will be capped at 15 ish, no matter where i am in the rpm range. I have a feeling my boost solenoid is going bad but i am at a loss as to what this could be. Any ideas guys?
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Old 11-08-2016, 04:57 PM   #2
mrsaturn7085
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Member#: 375462
Join Date: Dec 2013
Location: Portland, OR
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2006 Impreza WRX STI
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Is this a recent change or have you never been able to control the GS EBCS?
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Old 11-09-2016, 12:37 PM   #3
cosmo135
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2002 EJ207 V8 Wagon
Midnight Black Pearl

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Quote:
Originally Posted by mrsaturn7085 View Post
Is this a recent change or have you never been able to control the GS EBCS?
It's a recent change. In the past i've been able to control it perfectly fine. (full boost at a much lower duty cycle)
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