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 ...

Unlike with carburetors (which use about 7 psi), fuel injection relies on much higher fuel pressure (usually between 38-50 psi). The elevated pressure helps atomize the fuel as it flows through the ...