car cutting off at red light stop sign turning in parking lot skipping jerking . on 2008 Chrysler Sebring

08 sebring cutting off while at a red light stop sign car jerking skipping took it to the dealer put it on the machine did not found anything wrong.they put gas treatment in and told me to change gas .but it still doing the same thing .help.

Asked by for the 2008 Chrysler Sebring
have your fuel pump and fuel filter checked, have them do a pressure test on your fuel system sounds like its going on