Considering the above mentioned photo the take off going straight down on all four ITBs could be the outlet of the tiny hole just via the throttleplate (on my ITBs there's no vacuum there - i.e. useless) Really should it sit over the throttle opener bolt at idle? Also, While https://collinkkifd.blogdanica.com/34581463/the-fact-about-jdm-toyota-4a-ge-that-no-one-is-suggesting