a small evap leak would not cause your car to jerk.
would an automatic transmission car jerk when shifting after having had a transmission flush
change left side windo
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.
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.
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
The radiator cooling fan is most likely not working.
STICKING BRAKE CALIPER
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 same on a car equipped with manual transmission. On an automatic equipped car it will use less idling.
There are several problems that could cause your car to jerk when slowing down. The most common cause would be a transmission problem.
spark plug gap Can also be a vacuum leak.
It depends on how long you are idling, or how fast you are going. If you know you are going to be idling for a long time, it's best just to put your car in park.
Idling is what your car is doing when it is just sitting somewhere running. As soon as you press on the gas it is no longer idling. Your idle speed is the number of RPMs your engine runs at when you are idling.
could be failing transmission
If a car shakes and loses power when idling it can be the spark plug. If a spark plug is fouling, it can cause power losses.
a longer cam shaft will make a car idle rough
exhaust leak or a possible fuel line leak
torqeconverter lock up its normal.
This is a very general answer, as I don't know what "running bad" means. I would start by changing the oil filter and filling it with new oil. I find that quaker state is the best. Next, I would change the spark plugs. Bad spark plugs and low oil can often cause a car to jerk and shake whether your driving or just idling.
by the idling air control valve
A car that is stopped with the engine running.