I have a Series 5 Rx-7, and I've been having problems with the engine stalling when I'm stopping, usually around 2nd gear. It happens most when the air conditioner is on. Would anyone know what this could be? I'm pretty sure its just that it's idling too low, particularly with the a/c on, but would anyone know the cause?

 

By the way, i have my clutch all the way down, flat to the ground, and its brand new....