Engine maintenance is the process of routinely checking the various systems and components that compose a car engine, and performing any repairs or upgrades that are necessary to keep the engine in proper running condition. The typical car owner performs a few basic maintenance tasks on his or her own, while relying on a mechanic to manage the remainder of those tasks. A solid automobile maintenance schedule can increase gas mileage while also adding years of service to the engine. You will learn about in this part of this study.