[CRE]

Yeah, a leak would be the first thing in my mind. I've got a boost leak kit that I built with all my previous turbo builds that I've been meaning to use to make sure I don't have any. It's a simple device. A coupler with a cap on the end and a regulator and air compressor fitting so I can feed the desired boost +5psi to the compressor intake. Then just spray soapy water at all the couplers. That along with a compression test have helped me diagnose many issues.

The severity of the issues you are having is odd. An electrical issue us very likely in my mind. I assume you disconnected the MAF signal line and properly insulated it? I depinned the yellow line, versus cutting it, and shrink wrapped the loose pin with the heat shrink melted and pinched to ensure against the possibility of errant signals.

I'd like to see the logs, what app are you using to log?