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The engine light, also known as the Check Engine Light, might be on for multiple reasons:
1. Oxygen sensor needs replacing: The oxygen sensor measures the amount of unburnt oxygen in your vehicle’s exhaust system.
2. Spark plugs or plug wires need replacing: They are responsible for igniting the air/fuel mixture in the combustion chamber of your vehicle.
3. Mass airflow sensor needs replacing: This sensor measures the amount of air entering the engine to determine how much fuel is needed to run your engine efficiently.
4. Catalytic converter needs replacing: A damaged catalytic converter will lower your vehicle's gas mileage, reduce its performance and cause your vehicle to run at a higher temperature.
5. Gas cap is loose or missing: A loose, cracked, or damaged gas cap allows gas to escape from your tank as a vapor, wasting fuel and increasing vehicle emissions.
6. The vehicle needs an oil change: Over time, oil gets dirty and loses its viscosity, causing the engine to work harder.
Remember, an illuminated engine light is meant to alert you to a problem before it becomes a larger issue. It's best to have your vehicle inspected by a professional as soon as possible.
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