General Motors has issued a service update for certain units of the refreshed Chevy Silverado 1500 pickup equipped with the 3.0L I6 LZ0 turbodiesel Duramax engine and non-ETRS transmission due to a ...

General Motors released a service update to address an issue with the fuel injector diagnostics in certain 2021 model-year Chevy Silverado HD and GMC Sierra HD trucks. The hazards: while this issue ...