The End of Limp Mode Is Coming — Here’s the Full Picture Every Driver Needs
If you’ve ever watched your speed cap at 5 mph on a busy highway because a DEF sensor threw a code, you already know what this news means. The EPA has proposed eliminating engine deratement for diesel exhaust fluid system failures entirely. Instead of your truck forcing you to the shoulder — or worse, into … Continue reading The End of Limp Mode Is Coming — Here’s the Full Picture Every Driver Needs

What is DEF for Trucks? How Much DEF Does a Semi Use?
Diesel Exhaust Fluid (DEF) is an essential component in modern diesel engines, especially in trucks and other heavy-duty vehicles. DEF is a non-toxic, colorless, odorless, and non-flammable solution consisting of purified water and urea; it is injected into the exhaust stream of diesel engines to break down harmful nitrogen oxides (NOx) emissions into harmless nitrogen … Continue reading What is DEF for Trucks? How Much DEF Does a Semi Use?
