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 ...

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, ...

There is plenty of misinformation swirling around, so here is what you need to know to sort fact from fiction.

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 ...

Duramax diesel truck owners are reporting widespread diesel exhaust fluid (DEF) tank-related failures that trigger warning messages, reduced engine power, and speed-limiting modes. Many cases involve ...

The U.S. Environmental Protection Agency (EPA) last week issued guidance that drops the requirement for Diesel Exhaust Fluid (DEF) sensors as part of a truck's aftertreatment system and allows truck ...

The EPA has rolled back its requirement for diesel exhaust fluid (DEF) quality sensors, allowing NOx sensors to be used instead. This move aims to reduce costly breakdowns and downtime for truckers, ...

Diesel owners who have wrestled with warning lights, sudden power loss or even complete shutdowns tied to diesel exhaust fluid systems may finally be getting some relief. The U.S. Environmental ...

Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations in 2010 when the Environmental Protection Agency mandated selective catalytic reduction technology. Selective ...

We may receive a commission on purchases made from links. With the Environmental Protection Agency enacting stricter diesel engine emissions restrictions in 2010 and Volkswagen infamously getting ...