87 900 S mixture problem - Saab 900 Bulletin Board - Saabnet.com
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87 900 S mixture problem
Posted by Jason Yardley [Email] (more from Jason Yardley) on Sun, 11 Feb 2007 15:00:27
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Car running rich. AIC and throttle pos. switch both bad so replaced them. Running improved somewhat but not OK. I replaced the computer with a known good one and it ran great until I really got on it, then back to too rich. The AMM checked out ok but replaced it anyway, no change. O2 sensor working fine, temp sender seems to be in spec. took the coldstart valve off line, replaced all crusty vacuum lines. Cleaned the terminals on most everthin and tried a 3rd computer- no change. Back to computer #2 and it ran OK until I revved it, then back to rich. Anyone have an idea what I'm missing other than a priest or a grenade?
Thanks
Jason Yardley
posted by 24.237.1...
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