Blue smoke from the exhaust means only one thing: engine oil enters the cylinder space. The more engine oil penetrates into the cylinders, the more the car smokes.

In addition to the blue smoke from the exhaust, an accompanying phenomenon of oil penetration into the cylinders is also excessiveengine oil consumption.

Engine oil can be considered one of the most important operating fluids in the engine. So what happens if your car runs out of engine oil?

Does this always result in fatal damage, or can the engine be repaired afterward? We'll get to everything, but first, let's talk about the main function of the engine oil.

An engine overhaul is a comprehensive process that involves taking apart the whole engine, inspecting and cleaning its components, and replacing worn or damaged parts. The goal of an overhaul is to restore the engine to optimal performance and extend its service life.

This article will focus on the definition of the engine overhaul since it may be misunderstood, the signs your engine needs, and the overall process.