Diesel Exhaust Fluid Archives - UnderhoodService
Clearing The Air About Diesel Exhaust Fluid (DEF)

Reducing emissions to acceptable levels is achieved through a four-stage process.

VIDEO: Diesel Exhaust Fluid

Andrew Markel discusses the importance of keeping the right amount of diesel exhaust fluid in the vehicle, and how the filter monitors the level and cleanliness of the fluid. Sponsored by Auto Value and Bumper to Bumper.

VIDEO: Diesel Exhaust Fluid Winter Tip

Andrew Markel shares a quick tip about diesel exhaust fluid and why the level sensor may show as low in the winter, even when it is topped off.

Diesel Exhaust Fluid: Not Just a Heavy-Duty Application

You may notice a new product on the parts store shelf that goes by the name Diesel Exhaust Fluid (DEF) and is helping diesels of all sizes meet more stringent emissions standards.

What is Diesel Exhaust Fluid