Idle Problem
 

when idle at the light , my rpms move from 600 to 1000 ? ecu reflash needed mayb? - auto 4 spd btw

Please give us all the info on your car. Miles, When was it first purchased, what service has it had, how has it been driven, short drives, Red lined any, any thing you can give us.

Probably the coils or plugs but most likely it's just cuz it's an auto! HEHE!

2004 auto rx8 , 51,500 miles on it 3rd owner and previous owner took care of it and i am a new owner to it about 2 weeks now . but the previous owner is my good friend so i know one owner took care of her :)