2000 Oldsmobile Alero "idles rough" Questions

Why does my 1999 Oldsmobile alero runs rough when the track off light is on 1999 Oldsmobile Alero Stumble and Loss of Power 3000rpm www.2carpros.com/.../oldsmobile-alero-1999-oldsmobile-alero-stumble-

running roug at low idle, smooths out at 2500 rpms 2.4 litre 4 cylinder alero running rough at low idle...sound like it's missing. At high idle, 2500 rpm, sounds like it smooths out. Is it the plugs ...

rough idle and not charging Not charging can cause rough idling. Get the alternator tested.

...idles rough and hard to start. Started throwing a P0401 code. Occasionally gives off a sulfur smell. Also blew the tube off the PCV valvethe other day. If the Catalytic converter is bad the engine ...

...car still idles rough. Any other sugestions? Are you sure all your cylinders are firing? If one or more isn't, then you would get a rough idle and cut off and possible backfires on the top

...so it sprayed constantly i replaced the ecu and did a passcode relearn it starts and drives fine until it idles then very rough fuel pressure in spec any thoughts? How long was the car running

my car has problems starting and when it does finally start the rpm gauge revs high and when idling the car has a rough time SOUND LIKE FAULTY IDLE AIR CONTROL VALVE.SCAN VECHICLE FOR CODE.

2001-oldsmobile-alero-rough-idle Could have a vacuum leak , a cylinder misfire , dirty throttle plate . IAC - idle air control valve passage gummed up . Is the check engine light on ? There are videos

idles a little rough and stalls when gas is applied.Is this a idle control valve problem or a mass air flow problem? It looks like,both is possible.But is very expensive! Check first: Spark plugs worn

...Idles rough when in drive at a stop The engine may be misfiring. I had a 2.4L engine that did that and at long last I discovered that the "Coil Cover Housing" needed to be replaced. This is because ...