I've noticed that my check engine light is constantly on when I start my Audi A3, what could be causing this issue and what steps should I take to fix it?
ReplyOne possible reason for your check engine light being on could be a faulty oxygen sensor. This can affect the fuel economy and performance of your Audi. I recommend taking your car to a mechanic to have it checked and if necessary, replaced.
Another reason for the check engine light on could be a loose or missing gas cap. This can cause an imbalance in the fuel system and trigger the light. You can easily fix this by tightening or replacing the gas cap as needed.
A worn out gas cap or spark plugs can also be the culprit for the check engine light coming on. I suggest getting these components checked and replaced if needed, to avoid any further issues with your car.
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