Hosted 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 air cleaner. After years of complaints about failure-prone diesel exhaust ...

EPA Targets DEF-Related Power Loss

Diesel vehicles would no longer be required to drastically reduce power or limit their speed because of certain diesel ...
Hosted 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 requirement for all diesel equipment, a decision the agency frames as a direct ...
Autoblog

Government Moves to Fix Diesel Problem That Has Cost Owners Billions

This DEF sensor can shut down diesel engines even due to faulty readings, prompting the EPA to remove it as a requirement. EPA removes DEF sensor requirement to address costly diesel engine issues and ...
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, ...
dtnpf.com

EPA Eases DEF Sensor Rules, But Keeps DEF Emission Requirements in Place

EPA has announced that farm machinery manufacturers will have more flexibility in using different diesel exhaust fluid (DEF) sensors to reduce the risk of equipment shutdowns in the field. Farmers ...
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 ...