If you notice that your car is burning oil at an alarming rate, you might be puzzled by what that is all about. There are several ways to deal with the issue. If not addressed promptly, the problem can lead to costly repairs.
This guide will delve into the causes, symptoms and effective solutions for fixing a car that is burning oil. If you are experiencing smoke from the exhaust system or noticing a significant drop in the oil level between intervals, then we have ideal solutions for you.
Understanding Oil Burning
It is very important to distinguish the concept of burning oil from regular oil consumption. Oil consumption refers to the process where a nominal amount of oil is consumed during engine operation due to combustion and lubrication. On the contrary, car oil burning occurs when the engine consumes oil at an excessive rate than usual, leading to visible smoke from the exhaust. The problem also leads to decreased oil levels over a short period.
It is important to know that your car’s engine relies heavily on oil to keep components running smoothly. Oil keeps engine parts lubricated to stop friction and wear. Over time, the oil can break down and become less effective, so it is important to change the oil at regular intervals and monitor oil levels to diagnose any potential issues.
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Common Causes of Burning Oil
- Worn-Out Piston Rings
One potential cause of oil burning is broken piston rings. The piston rings seal the combustion chamber and stop oil from leaking in. When the piston rings wear down, they cause the oil to leak into the chamber and burn with the fuel mixture. This causes the oil to burn at a faster rate than normal, leading to excessive oil consumption.
- Valve Seal Issues
Valve seals control the flow of oil into the cylinder head. When they become damaged, oil can leak into the combustion chamber and burn.
- Incorrect Oil Grade
When the car is burning oil, incorrect oil grades can be one reason. Every car has a specific requirement for the oil type, which is mentioned in the owner’s manual. Low-grade oil breaks down faster and doesn’t lubricate the engine well, leading to increased friction and heat. This results in more oil getting burnt than normal.
- PVC System Issues
The Positive Crankcase Ventilation (PCV) system plays a crucial role in maintaining engine pressure. If the PCV valve becomes clogged or stops working properly, pressure can build up in the crankcase. Excessive pressure forces oil into places it shouldn’t be, such as the combustion chamber, leading to increased oil consumption and burning.
How To Fix Car-Burning Oil
- Replacing Worn Components
To fix the problem when your car is burning oil, replacing the worn and damaged components is the key. Piston rings and valve seals wear down over time, so they should be replaced to prevent oil from leaking into the combustion chamber and effectively reduce oil consumption.
- Fix PCV System
Another way to resolve the problem is to fix the PVC system by either cleaning or replacing the PCV valve. This ensures optimal performance of associated components and resolves pressure issues in the crankcase. Replacing the faulty or clogged PCV is a relatively simple and affordable process that prevents further oil burning.
- Use the Correct Oil Grade
Using an oil grade that doesn’t match your car’s specifications can lead to quicker oil consumption and burning. Always check your owner’s manual or consult a mechanic to ensure you’re using the correct oil grade for your vehicle.
Preventive Tips
- Regular Maintenance
Following routine maintenance is the best way to keep your car running smoothly and prevent issues like oil burning. Basic regular maintenance includes oil changes, which ensure that the engine has clean and properly functioning oil. Neglected maintenance leads to the accumulation of sludge and wear of engine components, both of which can contribute to oil burning.
- Use of Right Oil
It is beneficial to use the oil type and grade recommended by the car manufacturer. The correct oil secures proper lubrication while minimising the chances of wear and damage. The use of the wrong oil grade can lead to increased oil consumption and potential damage to your engine. Consult your owner’s manual or ask a trusted mechanic if you’re unsure which oil is best for your vehicle.
- Address Oil Leaks Promptly
If you spot signs of an oil leak, don’t delay in addressing the issue. Leaks not only cause a loss of lubrication but can also lead to significant engine damage if left unattended. Resolving leaks as soon as they are identified can help you avoid more complicated and expensive repairs in the future.
Contribution
With the preventive measures mentioned in this blog, you can reduce the risk of issues like burning oil and extend the life of your engine. With consistent care and attention, you can reduce the risk of such problems and optimise the performance of your vehicle.
