What causes steering wheel vibration in an Audi Q7 at idle?

[MacJude]

Audi Q7 steering wheel vibration at idle reasons: Idle speed is too high or too low. When the idle speed is too high or too low, the engine's operating frequency reaches the body's resonance frequency, transmitting vibrations to the body, resulting in noticeable steering wheel vibration. You can inspect the vehicle's engine spark plugs and ignition coils, then clean the throttle body and fuel injectors. The Audi Q7 is positioned as a mid-to-large-size SUV, with dimensions of 5086mm in length, 1968mm in width, and 1716mm in height, and a wheelbase of 3001mm. In terms of power, the Audi Q7 offers two engine options: a 2.0T turbocharged engine and a 3.0T supercharged engine. All models are equipped with an 8-speed automatic transmission.