Hyundai got excellent cooling system, you might have a little hole in your radiator that affects cooling circulation pressure? check if you have tight cooling system pressure.COCORICO
I have the same problem and have been researching, looks as if it is a faulty or warn coil pack over heating and cuting out as i am getting no spark but have fuel and air.
Overheating or coolant leak.
When a Hyundai is losing compression in its engine the car will not run properly. Symptoms of low compression are misfires, stalls, and overheating.
sounds like your processor is overheating and locking up to save itself from toasty death. then, when you try to restart it, it's still to hot to allow you to do it. check to see if your processor fan is dead.
Check that your graphics drivers are up to date and that the card is not overheating.
If there is no temperature gauge on a motorcycle, the way to tell if the motorcycle is overheating is by smell or feel. If the bike smells like radiator hot water, it might be overheating. If the legs of the operator start to become so warm that it is uncomfortable to ride, it might be overheating.
It may be overheating. Check your system, motherboard and processor fans for blockage and performance.
I'd check the water pump. I'm assuming you replaced the broken belt.
Bad fuel pump overheating, bad ignition coil overheating.