Originally Posted by Kingtal0n

first thing i notice is your compressor surge. You need to fix your bypass valve.

Secondly, there is a whole section of tps missing. But Ill assume its flat.
Holding the TPS flat, but maf is climbing, rpm is climbing, and duty cycle is dropping. perplexing? maybe. The only way this is possible is if the narrowband was pulling fuel, or the ECU was mapped wrong. I would say try a different stock ECU. You HAVE a stock ECU right?

You said you tried un-plugging the narrowband. that would prevent the fuel trim, I cant tell from the graph what the fuel trim is doing. can you coorlate the fuel trim with the dropping injector duty cycle? If not, there is foul play afoot in the computer, because a rising maf signal, a rising rpm signal, should both yield - a higher duty cycle.

Ill keep thinking about it though, I might be missing something simple. its always the simple things.

Also, when the narrowband goes to the top, thats lean? or rich? because to me up means more, and more means more voltage, which means rich. but I think you said thats actually lean. clarify?