New to group and looking for some insight

[Mnolan]

I have an 05 mustang gt and I have been having trouble on cold starts. It starts then idles down and stalls. I have changed the spark plugs, fuel filter, and the fuel rail sensor.
Any thoughts?

 

[General karthief]

Look for vacuum leaks.
Scan the computer.

 

[nickyb]

Welcome to my nightmare, like the general said vac leaks?check engine codes? Idle air control ?