The check engine light will come on and set a code if the fuel system isn't sealed air tight. On some automobiles it is known as the P0440 code. I also wanted to talk more about the evaporation emissions system that can set other diagnostic trouble codes in the P0400 range.
Technically in the sausage family, hot dogs can be kept in the refrigerator for up to two weeks unopened or for seven days in the refrigerator after opening. In the freezer the time is one to two months.
Meats that have been prepackaged can last in the refrigerator for around 7 to 10 days, whether they are opened or unopened. Bologna, which is similar to other prepackaged lunch meats, can remain in the fridge for 1 to 2 weeks and will begin to give an offensive odor when it is no longer safe to eat. Hard salami and pepperoni can last for around 2 to 4 weeks depending on whether it is opened or unopened. Cold cut meats can last for up to 8 months when they are placed in the freezer. The easiest way to tell if a meat is bad is to perform an odor test.