skidmark

have, just pointing out that narrowband o2 voltage aren't accurate for reading A/F ratio on load acceleration runs(although they appear to be somewhat accurate if you log egt too, if the temp reading you get off front o2 sensor is accurate : ) ).

You did the same thing I kick myself for doing all the time, and that is doing more then 1 thing at a time, then when you have problems(esp, and throttle cut) you aren't really sure which problem is being caused by which repair/mod if either. I look at things like the car was running fine before you did work, so whatever work you did probably caused the problem.

I don't think disconnecting the maf will tell you anything, JBo's allroad didn't throttle cut with maf unhooked, but did with it hooked up, and it was bad ecu programming causing his throttle cut, or at least it went away when he went back to stock, which to me is bad programming.

Check if they have a new program, and ask dan farmer what version he is using, I think he has the same ecu # as you(hell he could be using a mbc, and I don't know.

RMcQ

to test ESP engagement since the system is shut down. I did run it that way though and was still able to spike the boost and induce throttle cut but it did seem a little harder (short test.)