Diesel Exhaust Fluid Archives - Tomorrows Technician
Diesel Exhaust Fluid (DEF) Changes

Modern diesel exhaust systems are complex and they include multiple sub systems to keep exhaust clean.

VIDEO: Diesel Exhaust Fluid And Filters

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.

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.