Yeah, It shows up on mine occasionally as a 550 rpm idle speed or a stall usually on a hot (85 dg) day after a fast Interstate run or stop and go traffic for 20-30 minutes. A/C has been off every time it happens.
I still have the underhood liner on the car and all the rest under the hood stock except for running the Orange colored coolant. Oh yeah, the car is black in color and has 49,800 miles on it.
I ran some Techron fuel injector cleaner in it and cured it for awhile...but comes back every so often during the summer.
My diagnosis, a guess really, is that the fuel may be boiling slightly causing a drop in fuel pressure. This is with 92+ octane, but not sure it makes a difference in this case. Bottom line is that these SVT motors run HOT and I believe it to be heat related. Live with it. HTH.
ZZZ.
