my car cuts off and shakes when i stop at a light
car cuts off on 1997 Kia Sephia
This could be your EGR Valve. I had the same problem in mine, and i replaced my EGR valve and it doesnt do it anymore. they range from 220.00 to 280.00 depending where you go.
Better get the codes in the engine computer checked. Once these are retrieved the troubleshooting procedures for these codes need to be followed to determine what is wrong. This may require taking it to a shop.
could also be the idle air control valve, Mine is throwing the idle air control valve code. Although I do need to check the EGR Valve myself