NOx sensor failure can trigger your truck's check engine light, rob your truck of power, and even send it into limp mode.

Heavy D has been arrested for “repeatedly and willfully violat[ing]” court orders regarding a diesel lawsuit connected to the Clean Air Act.

Wehrli Custom Fabrication acquires Calibrated Power Solutions, uniting WCFab and Duramaxtuner to accelerate diesel performance innovation.

DEI's Titanium Exhaust Sleeve solves the hassle of wrapping pipes.

The knitted sleeve slips directly over exhaust or turbo downpipes to provide thermal protection.

Ram doubles down on last year's 2026 Ram Heavy Duty updates, highlighted by the 6.7-liter Cummins High-Output paired to an 8-speed automatic.

The 2026 GMC Sierra HD doesn’t reinvent itself, which mean’s well have to wait for GMC to break that 1,000 lb-ft of torque mark.

But hey, there's new colors and Amazon's Alexa gets the boot.

Power Service has launched its new Diesel Injector and DPF Flush, a one-tank formula designed to clean the entire fuel system.

This single treatment aims to solve common diesel problems by reducing DPF regens.