My car turns off when's it's cool I have to drive it around so I it can warm up then it'll stop turning off while idle

 

welcome to the board.

please state which car you have.

 

I got the 1987 Mazda rx7 non turbo

 

Does your car idle at close to 1400 rpm after a cold start and then slowly drops eventually leveling out at about 750 rpm?

 

Yeah but then sometimes the rpms rpms keep dropping until it turns off

 

my car is doing the same thing! JDM FC turbo

 

Would could the problem be

 

You gotta be a little more descriptive in your issue

What i'm gathering is when its cold, you have to keep giving it gas to keep it running until it warms up?

If thats correct, it sounds like your thermowax isn't working properly, or you have a clog and coolant isn't working its way to it like it should