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N54: Near 100% WDGC but not hitting target boost

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So I played around with the Wastegate Actuator Arm a little bit ago to see the amount of play in it and afterwards my car wasn't hitting boost like it was before. I'm targeting anywhere from 16-19 lbs and only hitting 15 max (depening on conditions). If I floor it from down low (less than 2500 RPM) I will only peak 10-11 lbs. If I roll into from 3500 RPM Ill hit 11-13 sometimes 14 in 3rd, and 14-15 in 4th sometimes 16 but that would be only for half a second and it would drop back down to 15. When I check my MHD monitor it normally shows my WDGC near 100%. The only thing is sometimes when I'm cruising my WGDC goes to 0% and the car gets really loud, like the actuator arm gets stuck open. If I give it some gas it'll go back to normal and close a little. I can post logs if needed, but does this sound like a boost leak or bad wastegates to you guys?

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