The problem could be the starter. It's tough to say without seeing the car. The best option would be to bring it to a mechanic, who could correctly diagnose the problem.
Trans problem
If it is an old car, the problem could be with carburetor
Could be in need of a tune up.
You should probably see about checking out your transmission!
95 lin town car when turning on air conditioner and the clutch kicks on in the air compressor it jerks and the jerks at the same time car experiencing loss of electricity from engine when it jerks
no .... no way.
your car has a speed sensor located on the transmission replace that and problem is solved
The problem could be a mechanical problem it is important to take it to the mechanic to have it checked.
check spark plugs
Take it back to the shop and complain.
You have a serious front end problem. Have a mechanic inspect it asap.
This means when your car jerks very hard.