Quality issues related to the 3.0L I6 LZ0 turbodiesel Duramax are drawing more and more attention online, and in response, GM has issued a new Service Bulletin.

Diesel Laptops is launching what it calls the first free, industry-wide mobile application for diesel engine diagnostic trouble codes; allowing truckers to search by manufacturer, model, and code ...

Heavy-duty trucks and industrial vehicles depend on more than just diesel fuel and horsepower — the brains behind their brawn often lie in diagnostic software, and Cummins INSITE is one such tool.

This diagnostics solution for off-road industry diesel engines features a scanner that can read proprietary information from every manufacturer.

Picture this: you've installed a new programmer that adds 150-plus horsepower and more than 200 lb-ft of torque to your 7.3L Power Stroke. The only problem is, your E40D-4R100 automatic transmission ...