idle air control valve needs work. either clean it inside and out or replace it. could also be the maf sensor
My 82 280zx turbo shows 650rpm on the decal under the hood...
when your running Dow the highway the engine get massive cooling from the high wind flow of road, but when its idling its just siting there with no real air flow to help cool it like on the road
How do yu adjust idle in a nissan sentra
Very back of the upper plenum on the driver side. It has a hose going to it from the center of the balance tube.
retard the distributor or replace the idle air control valve and MAF sensor
One reason why your 1994 Nissan Altima could be sputtering at an idle is because of your spark plugs. It could also be caused by the idle sensor.
how can I clean the Idle Air Control Valve on a 1998 Nissan Frontier
With any turbo it is a good idea to let the engine idle briefly before turning it off. This allows the turbo to slow down before losing lubricant. If you don't let it idle it probably won't hurt anything, but over time it may cause the turbo to wear out faster.
distributor shaft
why does my vr commodore idle rough when at complete stop
Reset your injector timing to compensate for the added boost at idle
There should be an idle screw right by or under your throttle