What does this screw adjust - nissan primera

shaun16, Mar 12, 9:29am
i have no idea what its connected to. its down below the intake manifold.

cypherboy, Mar 12, 4:37pm
looks like the IACV adjustment. Idle Air Control Valve.

**edit** should have vac hose/s going into it along with a couple oforange/purple plugs

marcos1, Jul 12, 8:52am
Kinda looks like an afterthought.