Table of Contents
Introduction

Engine oil is a vital component of a vehicle’s engine, and without it, the engine won’t function correctly. Therefore, it’s crucial to check the engine oil regularly to ensure that the vehicle’s engine is running smoothly. However, there is a debate on whether to check engine oil with the car on or off. In this article, we’ll discuss the advantages and disadvantages of both methods and help you determine which is the right way for you.
Checking Engine Oil with the Car Off
Checking engine oil with the car off is the traditional way of checking engine oil. It involves turning off the engine and waiting for a few minutes before checking the oil level. To check the oil level, you need to locate the dipstick, which is usually near the engine, pull it out, and wipe it with a clean cloth. Then, insert the dipstick back into the engine and pull it out again to check the oil level.
Step-by-Step Guide on How to Check Engine Oil with the Car Off
- Park the car on a level surface and turn off the engine. Wait for a few minutes to allow the oil to settle.
- Locate the dipstick, which is usually near the engine, and pull it out.
- Wipe the dipstick with a clean cloth or paper towel.
- Insert the dipstick back into the engine and pull it out again.
- Check the oil level on the dipstick. The oil level should be between the minimum and maximum marks.
Advantages and Disadvantages of Checking Engine Oil with the Car Off
Advantages
- It’s a traditional method that most people are familiar with.
- It’s a safer method as the engine is off, reducing the risk of injury.
Disadvantages
- You need to wait for a few minutes before checking the oil level, which can be time-consuming.
- The oil level may not be accurate as the oil has settled, and the engine is not running.
Checking Engine Oil with the Car On
Checking engine oil with the car on is a modern method of checking engine oil. It involves turning on the engine and checking the oil level while the engine is running. To check the oil level, you need to locate the dipstick, which is usually near the engine, pull it out, and wipe it with a clean cloth. Then, insert the dipstick back into the engine and pull it out again to check the oil level.
Step-by-Step Guide on How to Check Engine Oil with the Car On
- Park the car on a level surface and turn on the engine.
- Locate the dipstick, which is usually near the engine, and pull it out.
- Wipe the dipstick with a clean cloth or paper towel.
- Insert the dipstick back into the engine and pull it out again.
- Check the oil level on the dipstick. The oil level should be between the minimum and maximum marks.
Advantages and Disadvantages of Checking Engine Oil with the Car On
Advantages
- It’s a quicker method as you don’t need to wait for the oil to settle.
- You can check the oil level while the engine is running, which provides a more accurate reading.
Disadvantages
- It’s a riskier method as the engine is on, and there is a risk of injury.
- It can be challenging to access the dipstick while the engine is running, especially on some newer model vehicles.
Factors to Consider When Deciding Whether to Check Engine Oil with the Car On or Off
When deciding whether to check engine oil with the car on or off, several factors come into play. These include:
Engine Type
Some engines are designed to be checked with the engine off, while others are designed to be checked with the engine running. It’s essential to check your vehicle’s owner manual to determine the proper method of checking the engine oil.
Oil Level
If the oil level is low, it’s best to check the engine oil with the engine off. This is because the oil may splash around and cause injury if the engine is running.
Engine Temperature
If the engine is hot, it’s best to check the engine oil with the engine off. This is because the engine oil may be hot, and there is a risk of injury if the oil comes into contact with your skin.
Conclusion
In conclusion, checking engine oil is an essential part of vehicle maintenance. It’s crucial to ensure that the engine has enough oil to function correctly. While checking engine oil with the car off is the traditional method, checking it with the car on may be more accurate, especially for newer vehicles. Therefore, it’s best to follow the manufacturer’s recommendation on how to check engine oil.
It’s also essential to check engine oil regularly, preferably every month or every 1000 miles. Regular engine oil checks can help you identify any potential issues early and prevent costly engine repairs. Therefore, make sure to add engine oil checks to your vehicle maintenance routine.
Frequently Asked Questions
Common questions related to checking engine oil with the car on or off
Q: Can I check engine oil with the car on?
Yes, you can check engine oil with the car on, especially for newer vehicles. However, make sure to follow the manufacturer’s recommendations.
Q: How often should I check engine oil?
It’s best to check engine oil every month or every 1000 miles, whichever comes first.
Q: How do I know if I need to add engine oil?
If the oil level is below the minimum mark on the dipstick, you need to add engine oil. Also, if the oil looks dirty or has a burnt smell, it’s time to change the oil.
Q: Can I use any engine oil for my car?
No, you cannot use any engine oil for your car. It’s essential to use the oil recommended by the manufacturer as different engines require different oil types.
Q: Can I check engine oil when the engine is hot?
It’s best to check engine oil when the engine is warm but not hot. Checking engine oil when the engine is hot may give you an inaccurate reading.