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Saab Model 99 Bulletin Board
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O2 / LAMBDA question (bonus ? - horn)
Posted by SalemSaab (more from SalemSaab) on Fri, 2 Mar 2012 09:58:32
1st-time poster from a late-99 owner =)

My friend (900 owner) mentioned my O2 sensor isn't hooked up to anything. Recently I read that O2-sensors were only installed on CA / "high altitude" models. I do not have a LAMBDA relay, either; how do I tell if my 99 was originally from one of these states?

Bonus ?: my horn never worked, until one day recently when it came on - and would not shut off! I pulled the fuse for now, but wondering what I can check to correct this. Great car alarm but it might be nice to have a functioning horn (and backup lights, for the po-lice)

thanks!

posted by 159.121.96...
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