Hi all, just bought a r33 gtst and on the way home I started getting a idle surge hovers around 800-1200 almost stalls sometimes but will regain idle after a few seconds to a min.
Not sure if it has a aftermarket bov that is causing the problem.
Also a rubbery squeaking sound from behind timing cover. Could it be just a tensioner.
Has a gizmo boost controller too wtf how do you work it???