How to Check Your DEF Fluid Date Code
Finding the def fluid date code on a box or jug isn't always as straightforward as checking the expiration on a gallon of milk, but it's just as important if you want to keep your truck running right. If you've ever stared at a 2.5-gallon jug of Diesel Exhaust Fluid at a gas station, squinting at a weird string of stamped numbers, you aren't alone. It's a common headache for diesel owners, yet knowing how to read those numbers can save you from a massive repair bill or a frustrating "limp mode" situation on the side of the highway. ...