Why is my engine using so much oil?

Why is my engine using so much oil?

Burning oil is a common problem, but when it is ignored, it can do major damage to your car’s engine. Common culprits that result in burning oil include worn valve stems, guides and seals, and piston rings, all of which can allow oil to seep into combustion chambers.

What is considered excessive oil consumption?

While it’s natural to assume any oil consumption indicates an engine problem, it can be a normal part of engine operation, depending on the vehicle. In fact, Chrysler considers oil consumption of up to one quart every 500-2,000 miles to be normal under certain conditions.

How do you fix engine oil consumption?

Switching to a heavier viscosity motor oil may also help reduce oil consumption. Try moving up one viscosity grade the next time you change oil. If your engine currently uses a 5W-20, switch to a 5W-30 or maybe a 10E030 oil.

How much does it cost to fix oil consumption?

You can expect it to cost anywhere from $1,000 to $5,700 for a gas engine. A diesel engine is much higher still. If your motor is burning oil, it means your car is burnt out. To avoid overspending on expensive engine repairs your best bet is to sell the car AS-IS!

How can I stop excessive oil consumption?

Positive seals are installed in most late model engines and are effective in controlling emissions and oil flow. Positive valve stem seals provide tight seals to restrict the amount of oil that enters the guides, minimizing oil consumption and reducing hydrocarbon emissions.

Can bad spark plugs cause oil consumption?

Consequently, worn or cracked intake valve stem seals can; leak oil through the, valve guides. Also, the spark plugs might show some oil ash accumulation; on the side of the electrode, facing the intake valves. On the other hand, most oil consumption is; through the pistons and piston rings.

What is the best oil additive for oil consumption?

1. Editor’s Pick: Lucas Heavy Duty Oil Stabilizer.
2. Marvel Mystery Oil.
3. Hot Shot’s Secret Original Stiction Eliminator.
4. Archoil Oil Additive (AR9100)
5. Prolong Super Lubricants Engine Treatment (PSL11000)
6. REV X High Performance Oil Additive.
7. Liqui Moly Cera Tec Friction Modifier.
8. Restore Engine Restorer & Lubricant.

What is the best fuel additive for high mileage vehicles?

10 Top-Rated Oils and Additives for High-Mileage Vehicles

• Valvoline High Mileage with MaxLife Technology Synthetic Blend Motor Oil.
• Pennzoil High Mileage Motor Oil.
• Slick 50 Recharged High Mileage Treatment.
• Gumout Fuel System Cleaner.
• Royal Purple High Mileage Synthetic.
• Techron Fuel Cleaner.
• Mobil Super High Mileage Oil.