Ok, so your check engine light is on so in this video, we will go over why my check engine light would come on and the different ways it could be illuminated. It could be on steady, the check engine light blinking to flashing or it could just be coming on when the key is turned on. So what does check engine light really mean and can you drive your vehicle with the check engine light on? I will also go over how to diagnose and reset the check engine light yourself along with the 4 Most common reasons why your check engine light comes on This a problem so easy any shade tree mechanic or DIY’er can take on to same money ant time at the automotive repair shop. But to do this, first, you will need to start with an OBD2 code reader. witch, you can pick up on Amazon for petty cheap here: https://amzn.to/3VPSZFd
Why Is My Check Engine Light On? What You Should Do!
If you’ve ever experienced that sudden moment of panic when your car’s check engine light turns on, you’re not alone. The check engine light is a common issue that many car owners face, and it can be both frustrating and confusing. In this article, we’ll explore the reasons behind the check engine light, what it means, and what you should do when it lights up.
Common Reasons for the Check Engine Light
- Check engine light on: This is a general indication that there’s an issue with your vehicle that needs attention. It could be something minor or a sign of a more serious problem.
- Why is my check engine light on: The check engine light can illuminate for various reasons, such as a loose gas cap, a faulty oxygen sensor, or issues with the catalytic converter.
- Check engine light blinking: A blinking check engine light typically indicates a serious issue, such as an engine misfire, that requires immediate attention.
- Check engine light flashing: Similar to a blinking light, a flashing check engine light is a warning sign of a potentially severe problem that could cause damage to your engine.
- What does check engine light mean: The check engine light means that the vehicle’s onboard diagnostics system has detected a malfunction. This can range from minor issues like a loose gas cap to more significant problems like engine misfires or issues with the emissions system.
- How to reset check engine light: After addressing the issue, you may need to reset the check engine light. This can often be done by using an OBD-II scanner or by disconnecting the battery for a few minutes.
- Check engine light diagnostic: Using an OBD-II scanner, you can read the diagnostic trouble codes (DTCs) stored in your vehicle’s computer. These codes can help you pinpoint the exact issue.
- Check engine light codes: Common DTCs include codes like P0171 (System Too Lean) and P0300 (Random/Multiple Cylinder Misfire). Each code corresponds to a specific problem that needs to be addressed.
- Can I drive with check engine light on: While it might be tempting to ignore the check engine light, it’s important to understand the potential risks. Driving with the light on can sometimes cause further damage to your vehicle, especially if the issue is severe.
- Check engine light causes: Common causes of the check engine light include a loose gas cap, faulty spark plugs, failing oxygen sensors, and problems with the catalytic converter.
What You Should Do
- Check for Simple Fixes: Start by checking if the gas cap is loose. This is one of the most common and simplest fixes for the check engine light.
- Use an OBD-II Scanner: An OBD-II scanner can read the trouble codes stored in your vehicle’s computer. This will give you a clearer idea of what’s causing the problem.
- Look Up the Codes: Once you have the codes, you can look them up online or in your vehicle’s service manual to understand the specific issue.
- Address the Problem: Depending on the severity of the issue, you might be able to fix it yourself. For example, replacing a faulty spark plug or oxygen sensor is often a straightforward task. However, more complex issues like a failing catalytic converter might require professional help.
- Reset the Light: After fixing the problem, reset the check engine light using your OBD-II scanner or by disconnecting the battery for a few minutes.
- Monitor Your Vehicle: Keep an eye on your vehicle’s performance after the check engine light has been reset. If the light comes back on, it might indicate a recurring issue that needs further investigation.
Conclusion
Dealing with a check engine light can be daunting, but with the right tools and knowledge, you can diagnose and fix many common issues yourself. Remember, it’s always better to address the problem sooner rather than later to avoid potential damage to your vehicle. If you’re ever in doubt, don’t hesitate to seek professional help.
For a detailed walkthrough on diagnosing and fixing check engine light issues, check out our video on YouTube.
By understanding why your check engine light is on and knowing what steps to take, you can ensure your vehicle runs smoothly and efficiently.