GM has issued a voluntary emissions recall for certain units of the 2022 GMC Sierra HD equipped with the 6.6L V8 L5P turbodiesel Duramax engine due to a faulty Engine Control Module (ECM). The problem ...
The L5P Duramax diesel V8 is what powers heavy-duty work trucks like the 2025 Chevy Silverado 2500 HD and is an amazing powerhouse. It didn't exactly start off that way back in 1984 when GM first ...