now I feel stooooopid! - Saab 900 Bulletin Board - Saabnet.com
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now I feel stooooopid!
Posted by John Roberts (more from John Roberts) on Mon, 10 Oct 2005 19:21:09
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All of this effort trying to track down the mystery rough start problem and lean running problem. Everyone here said it was a vacuum leak but I had checked everything or so I thought. The three big rubber gromets were all toast. I replaced them with grommets that were way too tight and my starting problem disappeared.
My lean running problem has been solved too. My O2 sensor is shot. What fooled me is everytime I would check the reading at the conector I would get a fluctuating good reading. I unpluged the O2 sensor and I got the same reading, but not from the o2 sensor, it was coming from the LH control unit. So all this time its not been the o2 sensor creating the voltage, its been the LH control unit.
Would have been nice to see that documented somehwere.
posted by 216.23.59...
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