When you have the map sensor engine then Indeed i beleive you should be able to operate the ITB's. Despite the fact that I am not also sure how the car will run as the first Pc will count on map sensor readings to regulate air/gasoline. Posted April 29, 2011 https://4age-20v-itbs58865.blog5.net/80839329/jdm-toyota-4a-ge-an-overview