idle problem!!
 

so just got the car was sitting for four months. put new gas and cleaner in it runs good ut after driving it for awhile it wants to die i really dont think its the iac. any other suggestions?

Not much info to go on there. First, do a proper compression test. May save you a lot of time looking for a phantom problem. For information on doing a ghetto compression test, search the forum.

Edit: Read this as well:
http://www.aaroncake.net/rx-7/blown.htm

year? model?