If your check engine light is not on before you think you need a tune up check the boot as shown in the video
It will give you various symptoms including hesitation stalling shaking and poor acceleration
If you follow my procedure it could be a permanent fix
The right way to fix it is to replace the boot 
Check your local dealer auto parts store it is available and easy to replace
![](https://i.ytimg.com/vi/E1OtWoyof1E/maxresdefault.jpg)