If car jerks around 70 miles per hour, the wheel may off balance. The axle or undercarriage may also have issues.
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.
This means when your car jerks very hard.
Water in the gas
When an automatic car jerks into fourth gear it could be the transmission. You may need transmission fluid or a new transmission. A licensed mechanic can check the car.
70mph
Something is wrong
Trans problem
Engine is in need of tuning.
its probably just you jerking yourself
It may be in need of a tune up.
the most common car jerks are related to old spark plugs and the such. there is also the need to change the gasoline filter. after that other serires of engine checks are also the case.