What causes the Yaris to shake when starting?

There is a whistling sound when starting the Yaris, and it gets louder when accelerating.

What causes the Yaris to shake when starting?

Engine loses RPMs and the vehicle shakes when starting.

What's causing the shaking and jerking in the vehicle I just bought?

What could be causing the rear of a 2012 Multivan to shake at high speeds?

What could be causing the Roewe RX5 MAX 1.5T to start shaking when driving over 120 km/h?

The 2023 model 3.0 is shaking a lot at idle, and there's a buzzing noise when starting. Does anyone know what might be causing this?

What could cause a car to shake when starting cold?

What could cause a 2017 Jetta 1.5 manual to have engine shaking when cold and stuttering on idle start? It's only done 90,000 km. 😊

When my car reaches a speed of 110, the steering wheel starts to shake. What's going on with that?