The ITB adapter has some threaded holes beneath. Each and every throttle will probably be plumbed to the distribution block, that may be fed in to the MAP sensor. It will likely be connected to the idle control valve. I may reconnect it in the future but it's disconnected for https://toyota4age16037.blogofoto.com/64877563/the-best-side-of-4age-20v-turbo-engine-for-sale