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Why does my Audi A4's Engine Light Keep Turning On and Off?

I've been noticing that my engine light has been constantly turning on and off while driving my Audi A4. What could be causing this issue and is it something I should be concerned about? Thank you.

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Your Audi engine light turning on and off could be a sign of a malfunctioning oxygen sensor. This is a common issue in older Audi models and can cause problems with your car's fuel economy and emissions. It is recommended to have this checked by a mechanic.

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