Monday, February 22nd, 2010 AT 5:08 PM
I own a 99 camry 4cyl. Today when I was at a red light the engine noise increased more then usual. When I came home I parked the car and left it on and the engine gets loud then goes back to normal every couple of seconds. I noticed the radiator fans turn on and off also. Does anyone know why my cars engine is doing that?