How many liters of engine oil does the Focus require?

[VonXavier]

Ford Focus requires 4 liters of engine oil. Here is some information about engine oil: 1. Engine oil is referred to as the lifeblood of the engine, serving functions such as cleaning, sealing, cushioning, rust prevention, lubrication, and heat dissipation within the engine. 2. The viscosity of the engine oil should neither be too high nor too low. If the viscosity is too high, it will increase the resistance during engine operation, leading to reduced power output and increased fuel consumption. 3. If the oil viscosity is too low, it will prevent the formation of a stable oil film on the surfaces of engine components during operation, thereby accelerating engine wear.