I have to agree with the Other folks, the ITB's should really run just like a scalded ape. Specifically down low or everywhere you go in between. If they are not, then I might also Verify gas tension, and ensure the throttle linkage is opening all 4 equally and evenly https://jdm-toyota-4a-ge81480.designi1.com/53863830/the-best-side-of-4age-engine-for-sale