The fuel injector is the least understood component of the EFI system, but it is a critical part for a successful calibration. The job of fueling the cylinders comes with many design and engineering ...

GM has issued a voluntary emission recall for the 2024 Chevy Silverado HD and 2024 GMC Sierra HD equipped with the 6.6L V8 L5P turbodiesel Duramax engine, which may have an incorrectly adjusted ...