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What are the causes of Audi idle vibration?

2 Answers

StCassandra

07/25/25 7:05am

Audi idle vibration is caused by: 1. Severe carbon buildup inside the vehicle's engine; 2. Issues with the vehicle's ignition system; 3. Unstable fuel pressure in the vehicle's fuel system; 4. Engine aging or damage. The idle speed of a car is not a specific speed but rather an operating condition. When the engine runs without load, it is called idling. When the engine is running and the accelerator pedal is completely released, the engine is in idle state. Audi is a luxury car brand under Audi AG, a subsidiary of the Volkswagen Group in Germany. Taking the Audi A3 as an example, its body dimensions are 4343mm in length, 1815mm in width, and 1458mm in height, with a wheelbase of 2630mm. Its engine has a maximum horsepower of 150Ps, a maximum power output of 110kw, and a maximum torque of 250nm.

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Charles

08/10/25 6:24pm

I've been driving an Audi for many years. My A6 had severe vibrations at idle, which turned out to be due to aging spark plugs causing uneven ignition. City driving leads to more carbon buildup, exacerbating the shaking. It's recommended to replace spark plugs regularly, around every 30,000 kilometers. Engine mount aging is also common; when rubber parts wear out, the damping effect decreases, making the vibrations more noticeable. Don't ignore this, as excessive vibration can damage the driveshaft and increase repair costs. I had it checked at a professional shop, and after replacing the parts, it became much quieter. Regular maintenance, including attention to engine oil and air filters, is essential to maintain good driving habits.

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