Why doesn't diesel exhaust fluid (DEF) work in extreme cold?

Diesel exhaust fluid is essential for keeping your engine functioning without letting off too many emissions. But it doesn't ...
AutoGuide

How To Clean Your DEF System and Help Prevent Costly Repairs

One of the many things we love about running a diesel engine is how long it will run. You can pack in a lot of mileage without needing major repair - as long as you take care of the motor and keep ...
Transport Topics

Nebraska Says Self-Repair Permitted on DEF Systems

Nebraska Attorney General Mike Hilgers supports the EPA announcement regarding DEF system failures. "Consumers have the right to repair their diesel equipment to ensure they function properly and ...
DRGNews

Action to Address Diesel Exhaust Fluid (DEF) System Complaints

For more information, please see EPA’s Diesel Exhaust Fluid. Since 2010, most on-road diesel trucks and many types of nonroad ...