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      11-10-2018, 08:00 AM   #4
9vapors
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Drives: CB X5M
Join Date: Jun 2018
Location: Des Moines

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Quote:
Originally Posted by jandref321 View Post
It builds boost very quickly with the DV+ on...just dumps it abruptly at 16psi and I get the codes. Stock DV it still builds boost but very slowly and it feels slow.

I had turbo blankets before the rebuild but tossed them. The wastegates shouldnt be an issue at all. I tested them with a vacuum pump and they were free moving and completely closed at 12 psi.
Could one of your boost pressure sensors be bad? After I tuned my car, I had one go bad and was chasing around the problem as well. I had a different code 29E1...
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