Most commonly, wheel balance.
Wheel Balance, bad tie rod ends. bad ball joints, cracked or warped dick brake rotors, bad wheels the tires are mounted on, bad McPherson Struts or shock absorbers...the list goes on.
miss alignment of tires
It is probably your brake rotors causing the wobble or shake. As they wear the surface becomes rough and less perfect causing the brakes to grab unevenly.
Yes. A disconnected vacuum line will cause the engine not to idle at a constant rpm, therefore causing the car to shake.
because when your driving, air goes up under the car. And since a car has a frame, air hits it really hard causing it to shake. example, planes offend have turbulence. its because air is going under the wings the wrong way and making it lose balance and shake. Same thing as the car except its not a plane.
It could be a bad motor mount or mounts. Motor mounts have rubber in them and go between the engine and the frame. Over time the rubber gets brittle and wears out, causing the engine to shake.
The car might need a tuneup . also the problem might be related to fuel injectors that are not working properly.
When the engine light comes on and the car shakes at the same time, it could be the spark plugs or ignition coils are faulty. Misfiring is causing the car to shake.
bad/partially blocked catalytic converter. - kind of a rotton egg smell, right?
An_is a sudden release of energy in Earth's_,causing the ground to shake?
the tectonic plates shake under the earth causing earthquakes
cause they do
Bad tires and bad alignment can cause the car to shake at certain speeds.