Between IACV and the AAC. If your idle drops off (your car will likely die if the idle screw is closed) then your AAC is stuck open. You can try tapping it with the handle of a screwdriver to get it unstuck, but will most likely need to rebuild or replace. If that changes nothing, you have a vacuum leak somewhere.
------------------------------------------------------------------ 1992 300ZX NA 5 Sp (Dead) 1990 300ZX NA Auto 2+2 (Dead) 1990 300ZX TT 5 Sp (Est. 400 HP) 1990 300ZX TT 5 Sp (Est. 600 HP) 2004 G35 Sport 6MT (DD) |