My Audi's check engine light keeps popping up, how do I diagnose and fix the issue?
ReplyYou can also try disconnecting the negative battery cable for a few minutes to reset the system. If the light comes back on, there may be a deeper issue.
Check your gas cap first, make sure it is properly closed and sealed. If the light persists, use a code reader to see what is triggering the warning.
Most likely there is an issue with the oxygen sensor. It's best to get a professional diagnostic and replacement if needed.
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