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Topic Review (Newest First)
09-12-2009 06:04 AM
soccerrplyr The bpc was bought new from eeuro and has about 2k miles on it. Boost is back to 11/12 max since that one week of 15 max
09-11-2009 07:29 PM
stevehayes01
Quote:
Originally Posted by turbojohnny View Post
on my ng900 when my bpc would go bad it would just not regulate boost sometimes, some days it would boost to fuel cut and somedays it'd be fine.

but i don't know if the same would happen on a t7 bpc
]


T7 BPC is no different and it will overshoot and undershoot at will when going bad
09-11-2009 07:22 PM
turbojohnny on my ng900 when my bpc would go bad it would just not regulate boost sometimes, some days it would boost to fuel cut and somedays it'd be fine.

but i don't know if the same would happen on a t7 bpc
09-11-2009 06:14 PM
bobg450
Bpc

Quote:
Originally Posted by stevehayes01 View Post
BPC on its way out it my guess.... wait for the 22PSI spikes to come.
AKA "Overboost". Accompanied by the dreaded fuel pump shut off. Removed and plugged the three BPC hoses before I under stood how the waste gate servo worked. Boosted deep into the red. Was trying to detune my car I was giving to my daughter. Disconnected the waste gate linkage instead. That was a T5 system. Ended up with about 130 HP. Pathetic.
09-11-2009 05:49 PM
stevehayes01 BPC on its way out it my guess.... wait for the 22PSI spikes to come.
09-11-2009 05:29 PM
zingZACH
Quote:
Originally Posted by 132417SAAB View Post
something is about to break all I can say
x2 lmao.

It could be a stuck wastegate actuator or a bad bpc.
09-11-2009 03:35 PM
soccerrplyr checked ic, hoses are good. bump for ideas
09-01-2009 05:51 PM
132417SAAB something is about to break all I can say
09-01-2009 03:16 PM
Legit ic hose?
09-01-2009 02:11 PM
soccerrplyr bump..now it's back to 11/12 after the week at 15/16
07-31-2009 05:11 AM
soccerrplyr bump
07-26-2009 05:32 PM
soccerrplyr yes, it feels faster and in the year that i've had it it has never gone higher than 11/12psi and i hit that daily. Would a mis/correctly connected hose from the bcv or purge valve cause this?
07-26-2009 05:25 PM
Castor Troy does the car seem faster?

keep in mind that t7 is a torque request based system. boost will be variable depending on the conditions; torque should not be
07-26-2009 05:11 PM
soccerrplyr
Unexpected boost increase...

My 2001se automatic has always boosted to 11/12 on full-out in the year that i've owned it according to my autometer sport comp gauge. Only 93 octane gas ever too. Today I cleaned the purge valve with a cleaner/lubricant, put in a few new hoses and zip tied the ends to there junction points to make sure they are tight. I took the car out to drive this afternoon and all day i was boosting in the 15/16 range. It's almost 80 here and humid. I don't get it. Should I have boosting up to that psi all along. My cars strange in that at a cold idle in park it's in 11/12 vaccuum, but once warm is at around 20in park and 23/24 on decels. Clue me in. The car is 100% stock in all ways. What's fuel cut for the t7 because the car is not hitting it at all.

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