13th Feb 2016, 23:14
Run far away.
14th Feb 2016, 16:32
Have you checked the engine yet? "Warming up" shouldn't be related to that light being on.
14th Feb 2016, 17:38
Have them test it with smoke for leaks. I had my 2003 in quite a few times. A small leak can activate the sensor. I had almost 300k on mine when I got a newer car.