05' GTP car came with questionable modifications 3.4"'pulley slightly larger exhausts airbox is loose.
the car will not go into boost and when it does it seems to get to about 5psi if I ease into it.
i have put the car back to stock 3.8" pulley, honeycomb installed into the MAF, knock sensors replaced, stock airbox back in place everything. The ONLY thing I haven't changed is the exhaust and I put in a 180* thermostat while changing the knock sensors since clean water is a lot tastier than coolant.
The deal is if I lay into it even from a roll into it. The car goes dead lean and the ignition drops back to single digits. This has been driving me crazy for almost a month, and it seems no one here can figure it out. I am going to work on making a chart of what's happening. I have a few logs of what's going on, but it is difficult for me to get all the parameters on a single graph because of the scale would make everything unreadable.
things I have checked:
fuel pressure- 65psi all day every day
new plugs and wires (106's)
new knock sensors (one was false tripping)
MAF cleaned
MAF responds properly
CAT isn't plugged
i keep getting a O2 sensor low output. The output goes low only when I get on it. The code says for 2-4 minutes but I believe this is either different, wrong or a misprint. Because it happens in a 2-4 second run.
Im stumped
Jeff