http://www.greatautohelp.com/oldsanswers/2000-alero-theft.html
could be: sticking throttle linkage, idle air control malfunction, or in emission system.
You may have to clean throttle body if battery was disconnected for a while so pcm can relearn proper idle speed.
it is not affected by fuse. the ECU controls the idle electronically. you need to do an idle relearn prosedure.
The proper idle speed for a 2000 Nissan Frontier V6 is between 700 rpmÊand 800 rpmÊin park or neutral. In gear, the idle speed should be between 650 rpm and 700 rpm.
You dont adjust the Idle disconnect the battery for 10 mins and reconnect and the computer should relearn it idle .
Has it had a chance to relearn its idle since disconnecting the battery cables ?
Take the air box off in front of car it will be on the throtle body on front left side
if battery has gone dead or has been disconected you will have to have your idle relearned How do you relearn the idle?
There is no idle screw. The idle air control valve controls the idle and can be set on different settings. You should consult a Ford dealer or mechanic for proper settings.
My olds alero with the 2.2 liter ecotec rests at around 950-1000 rpm.
un hook positive terminal from battery for 5-10 min then re-connect...that will reset you brain and it will re-teach itself assuming everything is in order
The engine computer has "lost" its idle memory. You need to unhook the battery for 5 minutes. That should reset it, and upon start up it should relearn idle positions.