Re: p.s. - any stored CEL codes? Yes - Saab 900 Bulletin Board - Saabnet.com
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Re: p.s. - any stored CEL codes? Yes
Posted by 89 SPG [Email] (more from 89 SPG) on Mon, 30 Jun 2003 13:41:34
In Reply to: p.s. - any stored CEL codes? n/m, LM, Mon, 30 Jun 2003 13:08:39
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I am reading 12111, 12112 (oxygen sensor self-compensating circuit problem) which is what sent me after the o2 sensor, and 12224 (air-fuel mixture too rich).
When cold, the car will barely hold an idle of 800 or so, dropping down to the point where it almost dies, but usually recovers. It has little to no reaction to the throttle, and dies if there's any load. It does start right back up if it stalls. The throttle position sensor tests fine, and the car idles perfectly when warm.
This started with a no start condition (fuel pump relay wouldn't close), so I replaced the ign control module (no change), and put in a used ecm. The ecm fixed the no start condition, but introduced the poor idle. A used air mass meter had no real effect.
I figure its likely that either the amm or ecm is bad, but which I haven't a clue.
posted by 12.248.12...
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