Do not stop when you give off gas when cold

Hello everyone, masters, it will be a problem. I have a 2004 model benzyl 406 pedal. When I start it when it is cold in the morning, there is no problem, but it stops when it is hot, but there is no problem when it is hot. No, there is no error code on the computer.

It is taking air from the manifold or the idler motor housing is dirty