First, most of the complaints are not connected to the engine. Owners report more AC problems than anything else. The L83 crops up regularly in complaints, though, and there are three sets of ...
The Ecotec3 L83 is a light truck version of the fifth-generation small block Chevy engine. It is found in the 2014-2019 Silverado 1500 and GMC Sierra 1500 pick-ups as well as the 2015-2019 ...