"Engine components" refers to the different parts or pieces that make up an engine. These parts work together to make the engine function properly and include things like pistons, cylinders, valves, and spark plugs. Full definition
Reduced cycle efficiencies result in a loss of power, increased emissions, and overheating of engine components (25). (ecooptimized.com)
Engine: All internal and external engine components for both gasoline, and diesel engines. (milfordjeepconnecticut.com)
As with all diagnostic trouble codes, problems with other engine components may occur if an extended period of time passes before addressing the problem. (yourmechanic.com)