1999 Chrokee Sport stalling when cold

I have a 1999 Cherokee (6cyl) with about 35K on it. Runs great except for first time starting. If cold, it starts then stalls unless I keep my foot on the pedal. After it warms up, it's OK. Runs fine after that. I've changed the cap/rotor/ plugs and wires. Any ideas? thx

could be the aic, automatic idle control on the trottle body. I would take it off and clean the passages and the throttle body with throttle body cleaner and an old tooth brush. If that doesnt' help, consider replacing it.