1. Piston Rings: Worn or damaged piston rings can allow oil to seep into the combustion chamber, leading to oil burning.
2. Valve Seals: Faulty or worn valve seals can cause oil to leak into the combustion chamber when the valves are closed.
3. Oil Control Valve: A malfunctioning oil control valve can disrupt proper oil circulation, leading to excessive oil consumption.
4. Cylinder Walls: Scratched or damaged cylinder walls can result in increased oil consumption.
5. Turbocharger/Supercharger Seals: If present, faulty seals in the turbocharger or supercharger can result in oil leaking into the intake or exhaust systems.
6. Oil Leaks: Oil leaks from seals, gaskets, or other components can cause the vehicle to use more oil than usual.
7. High Mileage: As a vehicle ages and accumulates high mileage, wear and tear on engine components can contribute to oil consumption.
8. Faulty PCV Valve: A malfunctioning positive crankcase ventilation (PCV) valve can lead to increased oil usage.
9. Improper Oil Viscosity: Using an oil with viscosity not recommended by the manufacturer can contribute to oil burning.
If you notice excessive oil consumption in your 2008 Mitsubishi Endeavor, it's important to have it inspected by a qualified mechanic for an accurate diagnosis and necessary repairs. Ignoring this issue can result in long-term engine damage and further expenses.
