What are the reasons for the Audi A6L engine shaking without reporting a fault?

[AllieRose]

The reasons for the Audi A6L engine shaking without reporting a fault are: 1. Dirty air filter; 2. Open circuit in the high-voltage line; 3. Abnormal water temperature; 4. Clogged fuel injector; 5. Engine idle speed too low. Taking the 2020 Audi A6L as an example, it belongs to the mid-to-large-sized car category, with body dimensions of: length 5038mm, width 1886mm, height 1475mm, wheelbase 3024mm, and fuel tank capacity 73L. The 2020 Audi A6L features a front suspension with a five-link independent suspension and a rear suspension with a five-link independent suspension. It is equipped with a 2.0L turbocharged engine, with a maximum horsepower of 190PS, maximum power of 140kW, maximum torque of 320Nm, and is paired with a 7-speed dual-clutch transmission.