I own a Corolla with a 12-valve carbureted 2E engine. Rough idling siya, tapos 'nanginginig' kapag galing sa full-stop. Pero hataw naman kapag mabilis na. Bago ang spark plugs, high-tension wires (spark plug wires). Bagong linis ang carburetor using carb spray and carb cleaner. Bagong linis din distributor cap and rotor using sandpaper and cotton cloth. Bago fuel and air filter. Na-timpla na din gas-air mixture. Pero rough idling pa din siya. Ano pa kaya sanhi nun? Need help, mga fellow tsikoteers. Thanks!