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Old 09-15-2013, 09:27 PM   #1
Scooby Newbie
Member#: 162866
Join Date: Oct 2007
Chapter/Region: E. Canada
Location: montreal QC
2004 STI APRwidebody
custom Green & carbon

Default 04 built sti need tuning help(cobb PT)

fully built 04 sti new built motor.

need some help my tuner has flaked off on me with my 1500$ DEPO for tuning my car.

so the problem I am having is.

with no vac leaks from the manifold the car will stall out coming out of boost and to idle like rolling to a stop sign and does not hit the target AFR it was tuned for and runs lean.

I pull the vac line for the break booster (yes I lose the booster but I have big legs and big breaks) it idles find does not stall out and hits target AFR. so my question is what would be the best thing to adj???? I have the pro tuner program for my access port and the base tune maps the tuner did do before he took off. please help.....
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