I've noticed that my Audi A1's fuel efficiency has been decreasing lately. I regularly maintain my vehicle and follow all recommended maintenance schedules. What could be causing this issue?
ReplyOne possible reason for the decrease in fuel efficiency could be partially clogged fuel injectors. It is recommended to have them cleaned or replaced periodically to maintain optimal performance.
Another possibility could be a worn out oxygen sensor. This sensor helps to regulate the air-fuel mixture for efficient combustion. If it is not working properly, it could lead to decreased fuel efficiency.
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