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What might be the reason for the check engine light in my 2016 FIAT 500X turning on?
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★ Top Answer
There are various possible reasons for the check engine light being illuminated in a 2016 FIAT 500X. Common causes include a malfunctioning oxygen sensor, a loose or damaged gas cap, or faulty spark plugs. Fortunately, these issues are relatively simple and inexpensive to address. If the problem stems from a loose or faulty gas cap, you can attempt to tighten it to resolve the issue. If the gas cap is damaged, you can purchase a replacement for approximately $10 to $20. In the case of a faulty spark plug, you can buy a new one for around $8 to $20.
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The reason for the check engine light turning on in the 2016 Fiat 500X could be due to a faulty oxygen sensor or a loose fuel cap.
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