okie today was the 3rd time my car act like this. the previous 2 times happened at very hot weather as well. basically i started my car and it idle drop all the way down to 300 rpm. i gave it some gas so the car can stay alive. anywayZ jus driving normally outta the parkin lot, my car drops back to 300 agressively when i'm not giving it gas. i don't know what is goin on it only happens at very hot weather...anybody has similar problem?

 

clean ur IACV

 

Change your engine coolant temperature sensor.

 

how do i clean my IACV and change your engine coolant temperature sensor?

 

to clean hte IAC vavle, look in hte 4th gen FAQ's
get a haynes manual to change the coolant sensor, unles this helps http://www.trademotion.com/partlocat...10&catalogid=1

 

great! thx