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What might be the reason for the check engine light turning on in my 2015 Ford Expedition?
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★ Top Answer
The Check Engine Light, known as CEL, in your 2015 Ford Expedition serves as a warning indicator for issues with your vehicle's emissions system. It can range from a minor issue like a loose gas cap to more serious problems such as a faulty O2 sensor or a blown head gasket. Start by inspecting the gas cap, as the ECM checks the gas tank pressure to prevent fuel vapor leaks. If that's not the issue, a defective O2 sensor is often the next likely culprit. To pinpoint more complex problems, consider using an OBD2 scanner, which can be purchased online for less than $50. This tool will provide detailed information about the error code, allowing you to identify and address the specific issue.
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If the "check engine light" comes on in your 2015 Ford Expedition, it could mean a loose gas cap or a more significant problem such as a faulty oxygen sensor, a larger emissions leak, or issues with the catalytic converter in your vehicle.
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