can someone help? l have a 1971 911s with a 1974 2.7 210 hp MFI engine that I purchased in Rotterdam some 16 years ago.A great car to say the least, all most trouble free.however over the last year it started idling fast?when the engine is could it idles fine, but when it warms up it idles fast, about 1400 rpm .Were should l be looking?

thanks Rick