Pickup Truck +SUV Talk on MSN

GM Duramax diesel DEF tank failures, limp mode and long repair delays – owners’ share concerns

GM Duramax diesel DEF tank failures are increasingly popping up in social media and owners are furious about the problems ...
WIVB-TV

Common Diesel DEF Problems and How to Solve Them

HOLLY, Mich., April 16, 2025 (GLOBE NEWSWIRE) -- A diesel truck, car or SUV that is losing power and fuel economy, shutting down unexpectedly, and/or has a DEF warning light illuminated is probably ...
Hosted on MSN

DEF Dash Light On: What Causes It and When To Panic

Diesel, once a bastion of the future and a savior of fuel economy, has found itself in a very different place since the industry-shaking Diesel Gate incident of 2015. It went from what was seen as the ...
GM Authority

Pouring DEF Into A GM Duramax Truck Diesel Tank Can Be A Costly Mistake: Video

Most diesel truck owners understand how to put diesel exhaust fluid (DEF) in their trucks. However, some make the mistake of getting DEF in their fuel tank instead of the dedicated DEF tank. As the ...
Overdrive

EPA announces end to 5-mph DEF derates for new and existing trucks

The Environmental Protection Agency on Tuesday announced a "fix" to "protect American farmers, truckers, and other diesel equipment operators from sudden speed and power losses caused by diesel ...
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 ...
CCJ

EPA asks truck OEMs to end 5 mph engine derate for aftertreatment woes

U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin on Tuesday urged engine and equipment manufacturers to revise system software to prevent sudden loss of power from engine derates ...