Morning Overview on MSN

EPA drops DEF sensor requirement after Trump push, reports say

The Environmental Protection Agency announced on March 27, 2026, that it is removing the diesel exhaust fluid sensor ...
Commercial Carrier JournalOpinion

End of DEF quality sensors a win for reliability, but what about the environment?

Selective catalyst reduction (SCR) systems were introduced in 2010 in the United States to meet the NOx requirements. With an ...
Fast Lane Only on MSN

EPA urges diesel makers to drop failure-prone DEF quality sensors

Diesel engines across agriculture, trucking and construction have been sidelined by a tiny part that was supposed to keep the ...
GM Authority

GMC Sierra And Yukon Get Duramax Diesel DEF Sensor Fix

Certain units of 2020 through 2024 GMC Sierra 1500 and 2020 to 2024 GMC Sierra HD pickup trucks, as well as 2021 to 2024 GMC Yukon SUVs, equipped with one of several available Duramax diesel engines, ...
CCJ

SSI Technologies launches DEF sensor

SSI Technologies, a designer and manufacturer of ultrasonic level, pressure and magnetic sensors and monitoring systems, announced an SCR System DEF combination sensor to monitor urea level, ...
GM Authority

Chevy Silverado, Tahoe And Suburban Get Duramax Diesel DEF Sensor Fix

GM has reissued a service bulletin describing a fix for several possible problems found in several 2020 through 2024 Chevrolet models, including the Chevy Silverado pickup truck, Chevy Tahoe SUV and ...
Motor Trend

How to check DEF (diesel exhaust fluid) level in the Jeep Wrangler Diesel

We've been enjoying our long-term 2020 Jeep Wrangler Rubicon equipped with the long-awaited 3.0L EcoDiesel. In day-to-day life it's been everything we'd hoped for, knocking down solid mileage numbers ...
blogs.driving.ca

Troubleshooter: What to do about your frozen DEF blues

Diesel Exhaust Fluid (DEF) is a critical part of a modern diesel-powered vehicle’s emission control system. Made of automotive grade urea and de-ionized water (32.5% and 67.5% respectively). It’s ...