its a electronic piece in the key push ron area in the steering collum the key rod connectes it to complete the electric curcuit circle if it cracked it will cause it to shut down and restart by itself..
TCC Solenoid.
clogged fuel filter
No
It may be in need of a tune-up.
What would cause the engine not to restart when hot Chevy Trailblazer 2007?
There is not one, this is a Chevy not a ford.
It sounds as if the fuel filter is clogged and not getting enough fuel to the injectors.
Start with replacing the fuel filter, it may be plugged.
depending on where it is, yes.
your driving a Chevy Monte Carlo and your petrols been robbed
You Probley have a blowed head gasket.
The most common issue is a fuel filter. It could be a few other things, but the fuel filter is where I would start.