Can Someone Tell Me Why Does My 97 Lexus Es300 Is Shaking And Hesitati

[msrlexus]

it started shaking and hesitating and i dont know why i thought it was the spark plugs but i got that changed and it still do the same can someone help me and let me know why?

[1990LS400]

Are there any stored error codes?

[Camelot.King]

it started shaking and hesitating and i dont know why i thought it was the spark plugs but i got that changed and it still do the same can someone help me and let me know why?

You lost cylinder already. You got to clean your fuel injection system.