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Your check engine light is on what do you do?

When you see your check engine light on, it signals a problem with your vehicle's engine or emission control system. Here's what you should do:

1. Stay Calm: Don't panic when you see the check engine light. It doesn't necessarily mean something serious.

2. Check Your Owner's Manual: Refer to your owner's manual to see what it says about the check engine light. Different manufacturers may have specific instructions for their vehicles.

3. Visual Inspection: Open the hood and visually inspect your vehicle. Check for any loose wires or disconnected hoses. Some issues may be identified just by a quick visual check.

4. Check Fuel Cap: Make sure the gas cap is tightly secured. A loose fuel cap can cause the check engine light to illuminate.

5. Check Engine Coolant: Check the engine coolant level. Low coolant levels can also trigger the check engine light.

6. Read the Code: Consider purchasing an inexpensive OBD-II (on-board diagnostic) scanner or visiting an auto parts store to read the trouble code stored in the vehicle's computer. This will give you a better understanding of the problem.

7. Check Engine Temperature: If the temperature gauge indicates that your engine is overheating, pull over immediately. Overheating can cause severe engine damage.

8. Vehicle Performance: Pay attention to how the car is performing. If you notice any changes in performance, such as rough idling, stalling, or reduced power, it's important to get it checked out promptly.

9. Schedule an Appointment: If the check engine light stays on or if the issue doesn't seem easy to resolve, schedule an appointment with a trusted mechanic or dealership for further diagnosis and repair.

10. Maintain Regularly: Regular maintenance according to the vehicle manufacturer's recommendations can help prevent many issues from occurring and avoid the check engine light from illuminating.

Remember, your vehicle's onboard diagnostic system is designed to detect potential problems early on, allowing you to take action before more significant issues arise. Ignoring a persistent check engine light can lead to more costly repairs in the long run.