The vehicle will wander.
Depending on what you damaged and what the vehicle is, you could cause 20K damage to a commercial vehicle at idle speed.
Depending on what year the vehicle, if the vehicle year is pre-cat it could cause a back fire under deacceleration. If the vehicle year is post-cat it could cause false 02 readings.
Yes, it could.Yes, it could.
could be a tire out of balance or vehicle out of alignment
A bad lower control arm can cause the car to shake, wander, or be hard to steer. If the arm breaks or comes loose, then you will lose control and not be able to steer the vehicle.
The speed sensor on the vehicle could be shot. My vehicle is currently experiencing the same problem. If the odometer doesn't work either, this is likely the problem. Depending on the age/make of the vehicle, could be difficult to find the component.
Too much play in the steering wheel, vehicle may wander.
It could
It COULD, but more likely it would just cause it to run poorly once it starts.
Air hitting the vehicle will cause drag. The bigger the vehicle the more are drags.
It could, along with many others causes.