Numerous things could cause the Nissan Altima to stall. One such thing is the idle control valve, also the exhaust system could cause the engine to stall.
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.
May be computer controlled and not adjustable
The idle air control valve on a 05 Nissan Altima is located on the vehicle power pin. In order to check it, you will need to connect an OHM meter.
right above the oil filter
Your throttle cable, needs to be adjusted.
underneath the intake manifold, bolted to the cylinder head.
Rough idle, loss of power, poor mileage.
MAF
No load in park or neutral 700 give or take 50rpm With A/C around 800rpm
YES it does. It should be close to intake.
The IAC VALVE is located on the left hand side the passenger side that is. You should see a brown and purple hook ups and will see four bolts.