What To Do When The Check Engine Light Turns On

The check engine light is part of your vehicle’s onboard diagnostic system. It activates when the car’s computer detects an issue related to emissions or performance. This feature became standard in all vehicles after a 1981 federal law aimed at reducing pollution. Since then, it has become one of the most common sources of anxiety for drivers.

Here’s what you should know if the light comes on:

1. If the check engine light is steady, it usually indicates a minor issue. However, it’s still important to have your car checked by a professional as soon as possible. A mechanic can use a diagnostic tool to read the trouble codes and identify the problem.
2. If the light is flashing, this signals a serious issue—often related to engine misfiring. In such cases, it’s best to pull over and seek immediate assistance to avoid further damage.
3. The check engine light could indicate a range of problems, from a loose gas cap to more complex issues like a faulty oxygen sensor, catalytic converter, or ignition system. Each issue requires different attention and repair.

Ignoring the check engine light can lead to costly repairs down the road. If you’re unsure, don’t hesitate to get your car inspected. When repairs are needed, always opt for genuine Toyota parts to ensure quality and reliability. This helps maintain your vehicle’s performance and extends its lifespan.

Remember, staying informed and proactive about your car’s health can make all the difference. Don’t wait until it’s too late—when in doubt, take action.

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