Hi to all

I dont know if i am in the right places but this is my problem

My accord 94 have idle problem and when is on for about 10 or 20 minutes shut off by her self the idle up and down 2000 to 1500 and i need to wait for like 10 minutes to turn on the engine again i think about the ignition coil is overheating but im not sure any suggestion

and Thanks in advance