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General Motors has issued a service update for certain 2021 Chevy Silverado HD and 2021 GMC Sierra HD pickups that may have been delivered with a damaged diesel nitrogen oxide sensor. The problem: in ...

It’s taken some time, but the diesel world appears to have reached consensus on how to meet the Environmental Protection Agency’s (EPA) 2010 NOx standards. EPA 2010 was a major milestone in diesel ...

General Motors has issued a service update for certain examples of the Chevy Silverado HD and GMC Sierra HD pickup trucks equipped with the 6.6L L5P V8 Duramax diesel engine due to an issue related to ...