I should concur Using the Many others, the ITB's need to run similar to a scalded ape. Specifically down very low or all over the place between. If they don't seem to be, then I might also Test gasoline force, and make sure the throttle linkage is opening all four https://4ageengineforsale83714.theideasblog.com/32982563/how-toyota-4a-ge-can-save-you-time-stress-and-money