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Old 07-30-2009, 12:48 AM   #1
exdakine
Scooby Newbie
 
Member#: 194902
Join Date: Nov 2008
Chapter/Region: SWIC
Location: Santa Clara CA
Vehicle:
2008 LEXUS IS-F
Ultra Sonic Blue

Default Boosting issues

Not sure where to put this in the forum...


anyways i have a 2005 subaru wrx with a 6 speed sti swap...

I just noticed a issue a few weeks ago and since then I been pretty busy so im just now getting to it..

my car is Not boosting at all well it seems like a true 4 banger right now...

it just has no turbo boost..

mods. Invidia catted downpipe. with a catless up pipe. SPT short ram intake, and a HKS carbon TI exhaust.

I flashed the ECU with ECUflash to stage 2. I do not have a boost gauge yet waiting till i get back to my home town. car ran fine after flashing for a few weeks and then i just noticed that i am not boosting at all.

I have thought that i was in limp mode and i very so could be i guess. I disconnected the negative of the batter over night and pluged it back i n and took it down the street and still no boost. so im unsure at this point what it could be.
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Old 08-02-2009, 10:32 AM   #2
notyet227
Scooby Specialist
 
Member#: 58142
Join Date: Mar 2004
Location: Taylor,Tx
Vehicle:
2002 WRX/forester
WRB/Silver

Default

Check your wastegate arm and make sure its connected to the wastegate actuator.
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Old 08-02-2009, 11:30 AM   #3
Charlie-III
Scooby Specialist
 
Member#: 30669
Join Date: Dec 2002
Chapter/Region: Tri-State
Location: 07456, North NJ
Vehicle:
1998 Legacy 2.5GT
Silver Sleeper Wagon

Default

You either have a massive boost leak or a stuck/inoperative WG.

Since you disconnected the battery, if was a pissed off ECU you should have had boost back for a while until the ECU became pissed off again.

So your issue is a mechanical one.

Any CEL's, if so what are they?
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