Bad tire or alignment is most common. It can also be caused by a warped brake rotor or drum.
get a wheel alignment
A car's steering wheel will vibrate when driving if the car's alignment needs to be adjusted.
well... there are many different causes for vibrations. The most common cause for steering wheel vibration at high speed is poor wheel alignment.
It is the engine that is vibrating and it is just being felt in the steering wheel. Can be a vacuum leak, or miss in the engine.
the motor mount is bad
Normally it is a tire out of balance. Can also be a bent wheel.
You possibly have warped brake rotors on the front. Or Bad Wheel Bearings.
Normally tire out of balance or bent wheel.
Normally this is caused by a tire out of balance or a bent wheel.
yes
could be a blockage in your fuel lines.
The power steering pump is working hard and the engine is only idling. It could be the harmonic balancer