I have to concur With all the Other people, the ITB's need to run just like a scalded ape. Particularly down small or everywhere in between. If they're not, then I would also check gas force, and make sure the throttle linkage is opening all 4 Similarly and evenly (synchronized). https://rafaelrssus.blogrelation.com/38685762/top-guidelines-of-jdm-toyota-4a-ge