2G whats going on with my car?? (log attached)

[mitsumike0]

First let me apologize if this thread is in the wrong spot. Not sure if to put it here or in another section of the forum. So there is something strange going on with my car and i want you guys to take a look at this log if you can. Recently the car has been acting strange when it was building boost. It would build boost to about 20 psi and then hesitate/ buck, afr would show super rich and when i press on the gas pedal, nothing would happen. So i did a boost leak test and i had a leak somewhere, fine. I fixed that and boost pressure during the test was fine. I go for a drive (this time with ecmlink) and log. I notice something strange off the bat, the gm map sensor is not working. It's kind of stuck in place, i dont think this is causing my problem though. So i start to do a pull, car builds boost but it doesnt have the power like it used to. Afr's are all out of wack and the gauge flatlines. I try pressing the gas in (you see it in the log) a few times to see if anything will happen, but nothing happens. A few moments later the car cruises fine again. When im out of boost im fine. When im in boost thats when problems begin.
I verified base fuel pressure is 43.5. All the injectors seem to be working fine because when i unplug them, the car idle changes. It not gas because i went to a different gas station (one i know the car performs best on) and the problem is still there. Fuel filter maybe has 5k on it, fuel pump maybe has 10k on it. I put new NGK wires back in summer of this year. Im think it may be plugs or actually my gm maf going bad but i dont't know. Any one has a clue to what my problem is? Or can atleast point me in what to look at next? I'm actually trying to iron all these problems out to go speed density.