The throttle plate does not seal 100%, and there should be a few minor bypass holes, also. You can close the BISS the entire way and the car will still idle. It will be low, but it’ll still idle.
The throttle plate does not seal 100%, and there should be a few minor bypass holes, also. You can close the BISS the entire way and the car will still idle. It will be low, but it’ll still idle.