Typically, changing your Orlando Toyota's oil is routine and you don’t think twice about it. But for some drivers, an engine problem can lead to excessive oil consumption. In many cases, low-mileage cars won’t burn oil between oil changes, and you won’t need to add any extra oil. But when a car burning oil becomes a recurring issue, it can signal anything from normal engine wear to a more serious mechanical problem.
An auto maintenance issue like excessive motor oil consumption can be caused by multiple things, and it can be difficult to pinpoint unless you’re an experienced auto service tech. Luckily, Toyota of Orlando is here to help! Check out this easy-to-follow guide on what excessive oil consumption is, what causes it, how to recognize the warning signs, and what you can do about it.
What Exactly Is Excessive Oil Consumption?
Excessive oil consumption happens when your car burns oil throughout your commute, causing your oil level to gradually decrease between oil changes. A car burning oil might require you to add motor oil regularly just to keep your engine properly lubricated.
- Typically, drivers who experience this Orlando Toyota maintenance issue find themselves adding an extra quart of motor oil every month or so.
- On average, drivers with cars that have excessive oil consumption need to add oil every 600 to 1,200 miles. And this is even while keeping up with their regularly scheduled oil changes.
Excessive oil consumption should never be ignored. Running low on oil can increase friction, cause engine overheating, and potentially lead to expensive engine damage.
Common Causes of a Car Burning Oil
This type of auto repair issue can be caused by things like:
- Wear and tear of cylinder pistons
- Sticking or worn oil control rings
- Crankcase ventilation system defects
- Poor-quality or incorrect motor oil
- Worn or damaged valve stem seals
- An external oil leak
- Oil leaking into the cooling system
- Oil leaking into the exhaust system
Each of these issues allows oil to escape where it shouldn’t or enter the engine’s combustion chamber, where it burns along with the fuel. Our Toyota of Orlando service team is breaking it down for you.
Worn Piston Rings
Piston rings help seal the combustion chamber and control oil use inside the engine. As these parts wear down over time, oil can leak past the rings and enter the combustion chamber. Then it burns off during normal operation. This is one of the most common reasons for a car burning oil, especially in older, high-mileage rides.
Failing Valve Stem Seals
Valve stem seals keep oil from entering the engine cylinders through the valve train. When these seals wear out, oil can drip into the combustion chamber and burn during operation. A surefire sign of failing valve seals is blue smoke coming from the exhaust, especially when starting the engine after it's been sitting.
PCV System Problems
The Positive Crankcase Ventilation (PCV) system helps regulate engine pressure and emissions. If the PCV valve becomes clogged or fails, pressure can build up inside the engine and push oil into areas where it shouldn't be. Luckily, this is often one of the cheaper repairs associated with excessive oil consumption.
Signs Your Car May Be Burning Oil
Wondering whether your car has an oil problem? Here are some common warning signs that can mean you’ve got a car burning oil:
Low Oil Levels Between Oil Changes
If you're constantly adding oil before your next scheduled service appointment, your car might be leaking oil internally.
Blue Exhaust Smoke
Blue or bluish-gray smoke from the tailpipe is one of the most obvious signs that your engine oil is burning during combustion.
Burning Oil Smell
A strong smell of burning oil, especially after driving, can mean that oil is leaking onto hot engine components or burning inside the engine.
Check Engine Light
In some cases, excessive oil consumption can trigger warning lights in your dash. This is due to fouled spark plugs, misfires, or emissions system issues.
Reduced Engine Performance
A car that burns oil can experience rough idling, reduced acceleration, poor fuel economy, or sluggish performance over time.
Is It Normal for a Car to Burn Oil?
This is one of the most common questions drivers ask - we hear it a lot at Toyota of Orlando!
Luckily, most Orlando Toyota cars don’t experience excessive motor oil consumption until they hit the 100,000-mile mark or beyond. Modern Toyota engines are designed to minimize oil use and provide long-lasting performance.
While some manufacturers say that a small amount of excessive oil consumption is normal, most modern cars actually use very little oil between maintenance intervals. In fact, many experts estimate that most of the cars out there on the road don't require additional oil between regularly scheduled oil changes.
If your ride suddenly starts consuming oil when it didn’t before, it's worth having it inspected by one of our techs at Toyota of Orlando.
Why Ignoring Excessive Oil Consumption Can Be Dangerous
Driving a car burning oil might seem like no big deal if you're simply topping off the oil level regularly, but ignoring the cause can create much bigger problems.
You would end up with:
- Engine overheating
- Increased engine wear
- Damaged spark plugs
- Catalytic converter failure
- Reduced fuel efficiency
- Expensive engine repairs
- Complete engine failure
Oil is your engine's main lubricant. When the levels drop too low, metal parts can rub together, creating heat and causing major damage. That's why it's important to deal with oil consumption issues early rather instead of waiting until it’s a huge issue.
How Is Excessive Oil Consumption Diagnosed?
When you bring your vehicle into the Toyota of Orlando service center, our techs will perform several tests to find the cause of the problem. These include:
- Checking for external oil leaks
- Performing a compression test
- Conducting a leak-down test
- Inspecting spark plugs for oil deposits
- Examining the PCV system
- Monitoring oil consumption over a specific mileage interval
- Inspecting exhaust emissions
These tests can help determine whether your oil is leaking externally or being burned internally by the engine.
How Much Does It Cost to Fix a Car Burning Oil?
When it comes to fixing this oil issue, it’s best to take your car to a trained tech. Our Toyota of Orlando auto service team can diagnose the problem and find the right fix. Unfortunately, excessive oil consumption isn't always cheap or easy to repair. Depending on the cause, repairs might include:
- Replacing piston rings
- Replacing valve stem seals
- Repairing oil leaks
- Replacing the PCV valve
- Repairing cylinder components
- Rebuilding or replacing the engine in severe cases
Repair costs can vary significantly depending on your issue and your car. Minor repairs may cost a few hundred dollars, while major engine repairs can range from $1,000 to $5,700 or more.
The Importance of Regular Oil Checks
One of the easiest ways to catch excessive oil consumption early is by checking your oil regularly. We recommend:
- Checking your oil at least once a month
- Checking before long road trips
- Monitoring oil levels if your vehicle has over 100,000 miles
- Following your Toyota maintenance schedule
- Using the manufacturer-recommended oil grade
Taking a few minutes to inspect your oil can help prevent major engine problems down the road.
Visit Toyota of Orlando for Expert Auto Service
Unfortunately, an issue like excessive oil consumption can make or break your Orlando Toyota, which is why our auto service technicians recommend bringing it in at the first sign of a car burning oil problem.
The sooner the issue is diagnosed, the better your chances of avoiding costly engine damage and keeping your vehicle running reliably for years to come. If you're unsure if your car is experiencing excessive oil consumption or you just have questions about motor oil, maintenance schedules, or engine performance, visit Toyota of Orlando. Our factory-trained techs can inspect your car, figure out what’s going on, and help get you back on the road with confidence. We’re open seven days a week just off I-4 near the Mall at Millenia!
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