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What could be the reason behind the check engine light on my 2018 Ford Explorer illuminating?
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★ Top Answer
If the check engine light illuminates in your 2018 Ford Explorer, the first step is to safely pull over, turn off the engine, and use an OBD II scan tool to retrieve the stored code in the ECU. The light can indicate various issues in your SUV, with a common cause being a vacuum leak from a loose or faulty gas cap. While fixing this issue is simple, there may be more serious underlying problems that could lead to permanent damage, so it's important to check what the ECU indicates.
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Some of the reasons why a check engine light might come on in a 2018 Ford Explorer are faulty spark plugs, low oil levels, or a malfunctioning oxygen sensor.
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