This control technique reqires that every one 4 throttles be totally closed when within the stops. The throttle by-go screws are factory altered and set to stability the throttles. Ensure the dashpot underneath the ITBs is hooked to the proper vacuum supply or else it won't suck the piston in https://erickjgcbu.bloguerosa.com/31336443/the-greatest-guide-to-jdm-toyota-4a-ge