I recently purchased a used Audi A8 and noticed that the 'Check Engine' light keeps coming on. I have checked the owner's manual but it doesn't give a clear answer. What could be causing this issue?
ReplyOne of the most common reasons for the 'Check Engine' light to come on in an Audi A8 is a faulty oxygen sensor. This sensor is responsible for measuring the oxygen levels in the exhaust and can cause the light to come on if it is not functioning properly.
Another possible reason for the 'Check Engine' light is a loose gas cap. The Audi A8 has a sensitive fuel system and if the gas cap is not screwed on tightly enough, it can trigger the light to come on. Make sure to always tighten the gas cap after filling up.
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