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Old 06-18-2003, 07:04 PM   #1
Scooby Specialist
Member#: 36905
Join Date: May 2003
Chapter/Region: BAIC
Location: Kirkland, WA
2014 Outback SAP
leggtnut on lgt.com

Default Idle question on my MY90 legacy sedan L

Hello all,

In my MY90 Legacy Sedan L, I just had the Alternator replaced because it went out and now when I am Idleing, not all the time, the Idle drops down to about 500rpm's and sometimes it drops so low that it is stalling the car. Should I take the car back to the place that I had the alternator done, or could this be a compleatly different issue?

Thank you,

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Old 06-18-2003, 07:11 PM   #2
Scooby Specialist
Member#: 38338
Join Date: Jun 2003
Chapter/Region: MAIC
Location: Washington, DC Metro
2003 Outback Sdn H6


might be the battery. my alternator went in my 95 and obviously the battery ended up dying. put a new alternator in and had sort of the same problem. replaced the battery and everything was golden. so check on that.

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Old 06-18-2003, 07:17 PM   #3
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Member#: 15543
Join Date: Feb 2002
Location: san francisco, ca
90BJ Legacy LS ABS
AWD 946 Rio Red Jpn built


Ignoring the alternator replacement Id say without a doubt its a sticking Idle Air Controller.

Does the Idle bounce when its cold in the morning?

With the car off and the headlights on are they a reasonable brightness? Even with the alternator disconnected the car should be able to idle just fine if the battery is okay. The other way around too, if the battery is near dead the car should be able to run when the alternator is providing power (without the headlights, brakelights or rear defrost on).
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