Remind me again...erratic idle when cold is due to... - Saab 900 Bulletin Board - Saabnet.com
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Remind me again...erratic idle when cold is due to...
Posted by FGP (more from FGP) on Mon, 21 Oct 2002 10:52:14
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what? I don't suspect AMM because this occurs at the start of cold weather and again in the spring when more humid and there are temperature fluctuations. In the middle of winter, when it's cold weeks at a time, I don't see an erratic idle.
Specifically, idle is OK at first crank and then after 2-5minutes of warming up the car...the idle dips from 900 (to almost 0) then goes back up. Later on, while driving for a while and I'm stopped at a light, idle is OK, constant.
O2 sensor and air aux valve are new. If you've experienced this and know the fix, please comment.
Thanks ahead!
85Saab 900, 8-V, non-turbo, CIS
300,000+ miles
posted by 192.70.22...
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