My check engine light came back on, but I haven't noticed any difference in the way my car runs or any difference in gas mileage. I had it checked at autozone and they said it was a code 1441, which isn't listed in the thread about eec codes here on stangnet. Autozone wasnt sure what it was so I called the dealership and asked them what a code 1441 was and they said it had something to do with evap. and that the only way they could figure out for sure what the problem is is to run a "smoke test" or something like that. Does anyone know what the problem is? And how important is it that i get this fixed soon? Because it may be another week before I get the chance to put my car in the shop.