Help diagnosing possible SAI problem.

[Gilles]

Radium King,

Thank you for posting the diagram with the explanation of where the vacuum hoses go, Could you please describe the function of the SAI..?

I am planning on removing the intake manifolds to clean the engine and ensure that all the vacuum lines are properly connected, since a few years ago I installed the IPD performance plenum with the larger throttle body and one of the vacuum lines are supposed to be capped out (I want to ensure that remains capped), at the same time I will clean the mess made by the failing AOS…

I am not sure what I have to do to keep your diagram handy for later reference, thanks again!