@stoshzack after sleeping on this thread, I figured I should come back around to say … I don’t think any of those valves work any more. I haven’t found one anyway. A while back I started a whole thread about how either Toyota diagrammed the valve wrong in the FSM or it was never meant to work as...
In addition to controlling the Hot Air Intake (HAI) system, that valve also regulates the Hot Idle Compensation (HIC) system. You’ll see a hose running to a tee on the PCV line just above the PCV valve itself. It allows cooler fresh air into the intake below the carb in order to “cool off” the...