Erratic idle is Erratic--Input anyone?? - Saab 9000 Bulletin Board - Saabnet.com
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Erratic idle is Erratic--Input anyone??
Posted by Noel (more from Noel) on Sat, 18 Dec 2004 08:11:39
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It may just be related to the newly cold weather we're having in NH, but starting a day or so ago, my idle speed when the engine is warmed up, runs at about 1250 rpm and fluctuates up and down by a 100-200 rpm. Then after restart or driving a ways it *may* idle fine. All the vacuum hoses seem OK and plugs have 6K on them. Engine is smooth and runs fine otherwise. However, when I start when warm, the engine sometimes goes to about 2000 rpm, then drops back down
Where do I start looking?
Also, with the hood open I can hear the BPC valve running--a steady buzz. Not sure if this is normal, but I just hadn't noticed it before. Am boosting fine, though.
All input is much appreciated! TIA
Noel
posted by 69.163.4...
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