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Old 02-23-2020, 11:42 PM   #1
Scooby Newbie
Member#: 493872
Join Date: Nov 2018
Default Boost control problems 2003 wrx

I took a data log today because my car had been feeling weird. The log shows my boost climbing up to 18psi (target) then it would drop down to about 10psi and climb back up To 18 again. It does this over and over through my pull. I could hear it leaking out like a blow off valve when it would drop. Itís a bugeye on a Cobb stage 2 map with a catted downpipe and Cobb intake. Where should I start troubleshooting?
No obvious leaks that I could see. Can post up the log if anyone wants to see it.
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