Could be a couple of reasons, bad gas, injectors needs cleaning, could also need a tune up.Suggest taking to a mechanic for repairs.
a small evap leak would not cause your car to jerk.
change left side windo
would an automatic transmission car jerk when shifting after having had a transmission flush
because itt needs to be work on
I sat in my car in the driveway with the car idling, waiting for the kids to come out.
your car is idleing to high you need to have that looked at your car is idleing to high you need to have that looked at
Yes, it could.
There are various reasons why your car would almost stall when idling. In most cases, this might be an indication of the engine lacking power or capacity due to the failure of the pistons. You should contact a mechanic to diagnose the problem.
STICKING BRAKE CALIPER
There are several problems that could cause your car to jerk when slowing down. The most common cause would be a transmission problem.
What kind of car is is? When it jerk while shutting off, do you turn the key off and it sits there chugging for a second before stopping?
The radiator cooling fan is most likely not working.