Intermittent problem--engine dies at stoplight. Log and tune incl

[Lakegoat]

I never thought I would be scanning when this happens. It normally happens once in a while when I am stopped, idling. Car idles good, air on or off. Air was on today.
The engine just dies---no sputter or dropping idle, it just goes dead. It will start immediately and run good. This is a 2005 GTO, 418,Magnuson blower, 231/247/121 cam.
Frame 8450 is where it dies. Then about a 1/4 mile, while I am driving, it feels like it dies again while I am rolling, Frame #9041

Any ideas?

[13ZL1]

I wonder if you are losing voltage/ground to PCM or relay? I was hoping you had it in your cfg.

[Lakegoat]

That's a good question. What should I log for that? I will look at the list to see if I can find it.
Thanks for the reply.
Now to get lucky again and have the same thing happen. I make a few short trips so I can log them all.

[Lakegoat]

Where do I find the PID for voltage/ground to the PCM? I found ignition voltage, but I guess that is not it. E40 PCM
Thanks

[Lakegoat]

Well, I logged Ignition Voltage (SAE) and it was average about 13.1 volts. No dying though.

[13ZL1]

thats gonna be the trick. getting it to act up again

[Lakegoat]

That's the truth. I drove from Dallas to North Carolina and back and it didn't do it