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Answers

Why is my Audi A5 experiencing a rough idle?

I have noticed that my Audi A5 has been idling rough lately. It is a 2017 model with 50,000 miles on it. What could be causing this issue and what should I do about it?

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Answers (3)

J

It sounds like your A5 may have a dirty or faulty idle air control valve. These can become clogged with debris over time, causing the rough idle. You may also want to check your spark plugs and ignition coils as well.

A

Another potential cause of rough idling in an Audi A5 is a vacuum leak. This can result in a loss of engine vacuum, leading to poor idling and even stalling. It is important to have a professional mechanic check for and fix any vacuum leaks in your vehicle.

M

Sometimes, the rough idle in an Audi A5 can be due to a faulty or dirty mass air flow sensor. This sensor measures the air coming into the engine and sends signals to the engine control module. If the sensor is not working properly, it can cause issues with idling and overall engine performance.

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