Just got car back from dealer and now won't boost much?
01-07-2006, 06:02 PM
#1
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Thread Starter
Join Date: Jan 2006
Location: Hill afb, ut
Posts: 1
Car Info: 2002 Rex
Just got car back from dealer and now won't boost much?
I was having the problem over boosting by like 19psi and their was a boost controller on it. I brought it down to the dealer and they said their was a hose loose to the wastegate. But now I'm only boosting like 7 to 8psi. What do you think the problem could be? I"ve been told it could be the hoses at the T. But I swapped that and now it's same old crappy 7 to 8psi. And I called up the dealer today and the guy who worked on my car doesn't come in until monday. And then he's like so what's the problem and I told him it's only hitting 7psi and then he's like yeah that's factory. And I'm like look buddy don't pull my chain I know for a fact that's it's not 7psi and then he's like yeah I think you might be right. So hopefully I can get my boost controller that they stole off my car and two hopefully factory boost back. Please help!!!
01-08-2006, 01:09 AM
#3
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Join Date: Dec 2005
Location: Lafayette
Posts: 1,301
Car Info: 02 bugeye with tune by Ed
yea the stock turbo shud b givin off 14.5-14.7 psi stock...was i think is happenin...i cud b wrong...probably am...but this is wat happened to my friend's evo...when u hav the mbc on but ur not using it...the boost guage will b readin wat the actuator is givin off not wat the turbo is...resulting in less/unaccurate psi reading...if mbc is no longer on...then try going back to stock and checkin both the wastegate line...seeing if there r any leaks in hose and thats its on all the way...and check hose connected to turbo...hope this helps
01-08-2006, 02:31 PM
#8
Originally Posted by Lurk
I think he means MPA. Pretty much the same thing, just move the decimal point over one.
what brand gauge reads in megapascals?
01-11-2006, 08:29 PM
#11
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Join Date: Sep 2005
Location: Chicago IL
Posts: 67
Car Info: 2002 wrx
Have you found out what the problem is yet? He could of turned the boost controller down and forgot about it. Does a stock turbo have a restrictor pill? He would of switched the lines around.
01-11-2006, 09:20 PM
#12
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Join Date: Nov 2001
Location: Peoples Republik of Kalifornia
Posts: 14,221
Car Info: 05 H2 SUT, 45 GPW, 10 Murano, 13 Boss 302
How long did you have a manual boost controller on the car?
What likely happened is that while you were running off the MBC, your stock boost solenoid failed from non-use/always trying to boost. It's a pretty common occurance for folks that bypass the stock solenoid for any length of time. A new boost solenoid runs about $113 form subaruparts.com.
What likely happened is that while you were running off the MBC, your stock boost solenoid failed from non-use/always trying to boost. It's a pretty common occurance for folks that bypass the stock solenoid for any length of time. A new boost solenoid runs about $113 form subaruparts.com.
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