I have noticed that my Audi A4's engine tends to run rough when it is cold outside. It seems to struggle to start up and the overall performance is not as smooth as when the weather is warmer. Is this a common issue with Audis or is there something wrong with my engine?
ReplyThis could be due to a faulty or dirty mass air flow sensor. It is responsible for measuring the amount of air entering the engine and if it is not functioning properly, it can cause rough running when the engine is cold. I recommend getting it checked and replaced if needed.
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