I still have a million questions, but here's one that is a real potential problem and I don't have a clue:
You know how these cars completely kill power when you try to power brake with traction control On? Well today it did it when traction control was Off and no braking. Never had that happen before.
I was just trying to spin the tires and see how power was doing with a tune I made last night that was meant to lower power at lower rpm to hook up better.
I did a couple burnouts from a roll, like 10-30mph and it was fine. I then tried from a stop and it spun the tires thru 1st, then a moment after if shifted to 2nd it shut down. I let off thinking yet another complete ECU shutdown that requires a reload to fix, but as soon as I let off it was fine. So I immediately floored it again, now moving maybe 25mph, and again it spun the tires but only for a second and shut down again. Again it was fine immediately after I let up. No CEL. I spun the tires two more times in 2nd gear at >25mph and it was fine. Wth?
Tune is attached if anyone cares, but all settings are lower or equal to other tunes that were fine, so I'm confused.
Basically I started with an old so-so tune that I knew worked and adjusted the two things in the pix to make less power at 2500rpm and below, and see how it reacts.
oldnew.jpg
OE Tune 2x (12 Apr '22).hpt