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What could be the reason for the check engine light illuminating in my 2019 BMW X3?
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★ Top Answer
While driving your 2019 BMW X3 on the freeway, the check engine light suddenly comes on, indicating possible issues with components such as fuel injectors, the fuel injection system, or the mass air flow sensor (MAF). Another potential cause could be worn-out spark plugs. If you need to replace the MAF sensor, parts alone could range from $13 to $83. For spark plugs, prices typically vary between $8 and $85 depending on the brand and quantity. As for fuel injectors, each one can cost anywhere from $38 to $174.
More answers
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In 2019, a BMW X3 might have its check engine light turn on due to a loose fuel cap or a faulty catalytic converter.
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