Your car’s engine oil plays a crucial role in keeping things running smoothly. Not only does it lubricate the engine components, but it also helps regulate temperature and prevent wear and tear. So when your car begins consuming more engine oil than usual, it can be a sign of a larger issue. Understanding why your vehicle is using engine oil and what to do about it can save you from costly repairs and breakdowns.
In this article, we’ll explore why your car might be using engine oil, how to check your oil levels, and when it’s time to seek professional help. Keep reading to ensure your engine stays in top shape!
Why Your Car Might Be Using Engine Oil
If your car is consuming oil faster than usual, it’s important to figure out what’s going on. While all engines burn a little bit of oil, excessive consumption usually points to a problem. Below are some common reasons why your engine oil may be depleting.
1. Worn Piston Rings or Valve Seals
Piston rings and valve seals are critical for keeping engine oil where it belongs—inside the engine. Over time, these parts can wear out, allowing oil to leak into the combustion chamber and burn along with the fuel. If you’re losing oil and noticing bluish smoke coming from your exhaust, worn piston rings or valve seals may be the culprit.
2. Oil Leaks
Visible leaks are one of the most common reasons for oil loss. If you notice oil spots on your driveway or garage floor, it’s a sign you’ve got a leak. Oil leaks can occur due to damaged gaskets, a cracked oil pan, or worn-out seals. While some leaks are small and easy to fix, others can cause significant damage if not addressed.
3. PCV Valve Issues
The Positive Crankcase Ventilation (PCV) valve helps regulate pressure in the engine, but when it gets clogged or fails, it can cause oil to be drawn into the engine’s combustion chambers, where it burns off. A faulty PCV valve might not be easy to spot right away, but it’s a relatively inexpensive fix compared to the damage it can cause if left unchecked.
4. High Engine Mileage
As engines age, they naturally begin to wear down, and it’s not uncommon for high-mileage vehicles to start using more oil. Even if there’s no visible leak, the engine components may not seal as tightly as they used to, allowing oil to escape.
5. Driving Habits and Conditions
Aggressive driving, frequent towing, or driving in extreme temperatures can all contribute to higher engine oil consumption. Heavy loads and high engine stress can make your vehicle burn oil faster than usual.
How to Check Your Engine Oil Level
Checking your oil regularly is an essential part of vehicle maintenance, especially if you suspect your car is using more oil than it should. Here’s how to do it:
- Park on a Level Surface: Make sure your car is parked on a flat surface and the engine is off and cool. You’ll get the most accurate reading when the oil has had time to settle.
- Locate the Dipstick: Open the hood and find the dipstick. It usually has a bright-colored handle to make it easy to spot.
- Remove and Wipe the Dipstick: Pull the dipstick out and wipe it clean with a rag or paper towel. This step ensures you get an accurate reading.
- Reinsert and Remove the Dipstick Again: Put the dipstick back in fully, then remove it again to check the oil level. The dipstick will have markers indicating the minimum and maximum oil levels. Your oil should fall within these marks.
- Check Oil Condition: While checking the level, take a look at the oil’s color and consistency. Healthy oil is amber-colored and smooth. If it’s dark, gritty, or smells burnt, it’s time for an oil change.
Signs You Might Be Losing Oil
Aside from manually checking your oil levels, there are other signs that could indicate your car is losing oil. Paying attention to these symptoms can help you catch the problem early.
- Oil Warning Light: If your oil light comes on, it means your oil level is too low. Never ignore this light, as running your engine on low oil can cause severe damage.
- Burning Smell: A strong burning smell coming from your engine could mean that oil is leaking onto hot engine components.
- Blue Smoke from the Exhaust: As mentioned earlier, bluish smoke is often a sign that oil is burning inside the combustion chamber, which could point to worn piston rings or valve seals.
- Unexplained Engine Noise: Engine oil lubricates moving parts. If your engine starts to make unusual noises, such as knocking or ticking, it could be due to insufficient oil.
What Happens If You Ignore Oil Consumption
Failing to address oil consumption issues can lead to serious engine problems, some of which may result in costly repairs or even engine failure. Here are a few risks of ignoring excessive oil usage:
- Engine Overheating: Without enough oil to lubricate the moving parts, your engine may overheat, leading to severe damage to internal components.
- Engine Seizure: Running out of oil completely can cause your engine to seize, potentially requiring a full engine replacement.
- Catalytic Converter Damage: Burning oil can clog your catalytic converter, which can lead to expensive repairs or even cause your car to fail emissions tests.
By addressing the problem early, you can avoid these major headaches and extend the life of your engine.
When to Visit a Professional Mechanic
If you’ve noticed any of the signs above or are unsure why your car is using oil, it’s time to seek professional help. While some oil consumption is normal, especially for older vehicles, excessive usage or leaks should never be ignored.
At Federal Way Automotive, our experienced mechanics can diagnose and fix oil consumption problems quickly and effectively. Whether it’s replacing worn seals, addressing oil leaks, or servicing your PCV valve, we’re here to help. If your vehicle is using engine oil faster than it should, bring it in today for a thorough inspection. We’ll work with you to find the most cost-effective and reliable solution to keep your car running smoothly.