i have a 90 lumina 3.1 i was told you cant adjust the idle, but i fyoure hvaing idle problems like i was try replacing the idle air control motor.
Try cleaning it and the throttle plate. Go to bgfindashop.com and find a local repair shop that uses BG Products. The air induction cleaning will normally take care of those problems.
idler control unit
its on the throttle body just above the throttle position sensor (t.p.s)
It is very possible that the throttle plate is dirty and causing the throttle to hang up.
Could be the Throttle Positioning Sensor or the Idle Air Control Valve
Don't mess with that adjustment. The idle speed is electronically controlled.
The idle is not adjustable, it is computer controlled, which means the idle is not the problem. Look for a check engine light.
Is this a 3.1 liter engine? tipicaly by the throttle body area. idle sensor or idle air controll valve?
u dont set the idle the ecm does the setting througt the air idle conrtol. If it wont idle u need to replace the aic motor on the th0rottle body!
Idle speed control or Idle air control.
If it has EFI (Electronic Fuel Injection) there is no idle speed adjustment. The idle speed is adjusted electronically.
Hot at idle in drive, 20 to 30 psi.
There should be an idle setting on the side of the rochester carb.
Idle is computer controlled and can NOT be adjusted.
the thermostat will make both fans become idle if it is not opening. this happened to me on my 95 3.1 lumina
12 degrees on idle.
on the throttle
vacuum leak? carburetor adjustment?
It shouldn't need reseting? Probably controlled by the PCU (Computer)
There is none. It is electronic. Try replacing the idle motor.
Need to know what year it is to answer correct.
The engine is EFI so the idle setting is computer generated. You'll need and engine programmer to change this setting.
If your engine has a carburettor turn the idle adjust screw so the idle is at the proper speed. If your engine has fuel injection the ECM controls the idle.
Had the same problem w/ a '92 lumina a couple years back. the car would barely idle and stall or idle and pick up speed until it got to like 30. forget what the part's called, but it gets clogged up and just has to be cleaned out. not too expensive. guess its common w/ luminas and cavaliers