This just started a few min ago. When at stop light my cabin would shake. Stepping on gas from stop would have noticeable delay in throttle response. And starting engine would feel very weak when starting.

Motor mounts? But how does that explain weak engine start and such...

 

Ok I think this is the issue cuz I just got the same code

P0404
https://acurazine.com/forums/3g-tl-problems-fixes-114/obd-code-p0404-694497/

I will try this solution

 

Starting a thread then searching and finding your answer within 11 minutes... Acurazine FTW.

 

Happens all the time haha