How to Tell if a Car is Burning Oil?

2 Answers
McDominic
07/24/25 12:44pm
Here are the methods to determine if a car is burning oil: 1. Check if the exhaust emits blue smoke; 2. Inspect whether the oil level frequently drops (excluding oil leaks); 3. Burning oil caused by overfilling the engine oil; 4. Check if the car's power has decreased (a drop in compression ratio leading to reduced power) among other steps can help determine if the car is burning oil. Here’s how to prevent oil burning: 1. Use engine oil that meets the vehicle's technical specifications. Many car owners never read the vehicle's manual and, even after years of driving, remain unaware of the quality and viscosity grade of oil their vehicle requires. There is a significant degree of randomness in their choice of oil. When selecting oil, pay attention to both the quality and viscosity indicators. 2. Avoid frequent rapid acceleration and prolonged high-speed driving. When the engine runs at excessively high speeds, it can easily break the lubricating oil film, leading to poor lubrication and dry friction in rotating parts. If this becomes a regular practice, it can cause abnormal engine wear and result in oil burning. Therefore, maintaining an economical speed is a good way to prevent oil burning. 3. Ensure the oil is filled according to specifications. If the oil level exceeds the midpoint, ask the mechanic to remove the excess oil. Additionally, the oil level should be checked the next morning before driving for accurate observation.
Was this review help?
11
0
Share
VonElisa
08/11/25 6:49am
I think checking if a car is burning oil is quite simple, as I've driven many older cars that require regular checks. Every time I park and wait for the engine to cool down, I pull out the dipstick, wipe it clean, reinsert it, and check—the oil level should be between the minimum and maximum marks. If the oil consumption is too fast, such as dropping significantly within a month, or if there's light blue smoke from the exhaust pipe during a cold start, then there's clearly a problem. Additionally, weak acceleration or a burnt smell from the exhaust are also signs. It's best to quickly take the car to a professional shop to check the spark plugs and piston ring wear conditions. Otherwise, it could easily affect the engine's lifespan and cost more money.
Was this review help?
10
3
Share
Expand All
More Forum Discussions

What is the triangular button in the car called?

The triangular button in the car is called the hazard warning flasher (or emergency light) switch. Press this button when parking on the roadside or encountering an emergency while driving, and all the turn signals on both sides of the car will flash simultaneously. Note: This button should only be used in emergencies or under low visibility conditions such as heavy rain, snow, or fog to alert other vehicles. Below are the situations when the hazard warning flasher should be activated: 1. When the vehicle breaks down: If the vehicle suddenly breaks down while driving and cannot be moved to a safe area in time, immediately turn on the hazard warning flasher to alert passing vehicles and pedestrians, and call for help promptly. 2. Breakdown on the highway: If the vehicle breaks down on the highway, stop in the emergency lane, turn on the hazard warning flasher immediately, place a warning sign 150 meters behind the vehicle, and call for help quickly. The driver and passengers should wait for rescue outside the guardrail in front of the broken-down vehicle.
7
0
Share

What Are the Reasons Why a Diesel Vehicle Won't Start?

There are four reasons why a diesel vehicle won't start. Below is an introduction to the reasons why a diesel vehicle won't start: 1. Engine fuel line blockage: Check if the engine fuel line is clear. If you hear a hissing sound from the fuel injector, it means the fuel line is functioning properly. 2. Cylinder compression: Check the cylinder compression. If the flywheel can still rotate after releasing the decompression device, there is an issue with the cylinder compression, and the cylinder piston and piston rings need to be replaced. 3. Lubricating oil: The lubricating oil should be replaced promptly. Overly viscous lubricating oil can hinder smooth engine startup. 4. Fuel pump: Check if there is air in the fuel pump. If there is air in the fuel pump, the diesel engine won't start.
4
0
Share

How to Repair Fault Code u0121?

Fault code u0121 indicates a loss of communication with the anti-lock braking system (ABS) control module. Below are the solutions for fault code u0121: 1. Inspect the ABS sensor and check the wiring. 2. Perform repairs after identifying the specific cause. Here is additional information about the anti-lock braking system: 1. The function of the anti-lock braking system is to prevent wheel lock-up, making it a vehicle safety control system with advantages like anti-skid and anti-lock features. 2. The anti-lock braking system allows the car to steer while braking, ensuring directional stability during braking and preventing skidding or deviation. It is an improved technology based on conventional braking systems. 3. The anti-lock braking system can be divided into mechanical and electronic types, representing some of the most advanced and effective braking systems in modern vehicles.
4
0
Share

Does the Jetta VS5 support wireless CarPlay?

Jetta VS5 supports wireless CarPlay. Here are the relevant details: 1. In-car system: To use CarPlay in a Volkswagen vehicle, first connect your iPhone to the car's in-car system via a USB cable. Once connected, you can use the smartphone's intelligent voice assistant Siri to control the car's multimedia system through voice commands, or operate it via the car's touchscreen or the steering wheel's physical buttons. 2. Navigation setup: The CarPlay system allows you to make phone calls, play music, and set navigation information while driving through Siri. The inclusion of CarPlay undoubtedly enhances operational convenience, reduces the driver's operation time while driving, and allows them to focus more on driving, thereby improving driving safety.
11
5
Share

What is a Car Radiator?

Car radiator, also known as a heat exchanger or overflow tank, is a crucial component of water-cooled engines. It serves as the heat exchanger for water-cooled engines, maintaining the engine's normal operating temperature through air convection cooling. The radiator is an integral part of the automobile engine and the main component of the car's cooling system. Its function is to dissipate heat and maintain the engine's temperature. The working principle of the radiator: The coolant circulates through the engine's water passages, absorbing heat from the cylinder block, and then dissipates the heat through large-area cooling fins to maintain the engine's optimal operating temperature. The reason it's called a "water tank" is that older domestic trucks used to be filled with water. With technological advancements, modern cars have higher maintenance requirements, and coolant is now added to the radiator instead of water.
19
4
Share

How to Remove Static Electricity from Cars in Winter?

Methods to remove static electricity from cars in winter: 1. Using anti-static spray can reduce the generation of static electricity in cars. Generally, spraying it on the clothes you wear can prevent static electricity caused by clothing friction; 2. Anti-static eliminators are very effective in eliminating static electricity. Their main working principle is to use diodes in the eliminator to dissipate the static electricity; 3. Using a car static grounding strap, which involves attaching a grounding strap to the rear of the car, allows the static electricity to flow directly into the ground. However, this method is ineffective on insulated asphalt roads; 4. Static electricity usually occurs in winter due to dry air and friction. Therefore, placing a humidifier in the car can effectively eliminate static electricity.
5
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.