Car starts and then shuts off HELP.

[riverplate]

I have 97 GSX have AEM EMS and MSD ign the car starts up and then after a little wile
it shuts off and then it will not start wait a little wile and then it starts.this happens more often when the car has been siting for more than one or two hours can anybody give any info on what you think this could be thank you.

 

[420aVOS]

does it shut off like you turned the key or shut off like it stalls?

 

[riverplate]

does it shut off like you turned the key or shut off like it stalls?

It shuts off like it would with the key.