holidays

Who has traditional food? A: Turkey and mashed potatoes with the rest. B: Traditional European either Dutch, Swedish or German etc meals not based on mythical picture of settlers sitting down with native people. C: Coffee and Chocolate for breakfast, Costco Steak and Beer for dinner

I'm just about to go on long trip for the holidays and my 1996 just threw a P0401 code for the first time. Is this the kind of code I can ignore for a few thousand miles or will it burn up something under the hood and leave me stranded?