im having a proble with my car it's a 2000 sunfire gt. the engine light came on and it will not go out no matter what i try. i had this problem before and i changed my air filter and it was fine, but i have tryed that and my oil and all my other fluids are up. the stupid thing is thow that some times the light will be out then after a little driving it comes on again. does anyone have any ideas|???? plz help