I need to know which sensor is in the middle of the intake. I thought it was the IAC valve but its right next to it. I guess its between the IACV and the throttle position sensor. Oh yea this is a b16a1 engine.

 

the one on the back is the iacv, if you unplug it while idle the rpm drops alot

TPS is on the other side of the thorttle body by the MAP sensor

 

intake air temp is on a intake runner or the 1st cyl intake runner on the drivers side. white sensor, 2 screws.

 

went to a dealership today but they couldnt tell me anything and the 99-00 si and del sol diagrams they had just has an iacv and tps sensors on the intake. For some reason mine has two holes where a sensor goes, not vaccum lines, right in between the iacv and tps. They also said that they probably dont have a diagram because the b16a1 didnt come to america.

 

bump, also is the b16a IM different from the b16a2