Help Me

[PlatinumES300LEXBubba]

I have a 2000 lexus es300 platinum editions the problem i'm having is when i stop at a light the car will idle up and the rpms will go up and down sometimes the car will stall/also sometimes when i try to excelerate the car will hesitate and jerk forward then when i excelerate the car will jerk back and forth and will not go unless i stomp the peddle and even then it will excelerate slow and then all of the sudden it will be ok. It does this aleast once a week the track light is also on and will not go off. I had the fuel sensors replaced but the problem still persist can anyone help

[Toysrme]

Vacuum leak.

[SKperformance]

or map sensor