Re: 8 valve idle adjustments - Saab 900 Bulletin Board - Saabnet.com
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Re: 8 valve idle adjustments
Posted by Todd 83-900T (more from Todd 83-900T) on Thu, 20 Mar 2003 10:31:01
In Reply to: 8 valve idle adjustments, Saana88 [Profile/Gallery]
, Wed, 19 Mar 2003 14:10:44
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Try running without the O2 sensor connected. If it idles fine when cold then the lambda control system is kicking in too soon. The O2 sensor smells that's it too rich when it's cold and tries to lean out the mixtrure. You don't want the O2 sensor providing feedback until the car is warm. I'd also recommend that you do a pressure test, just to insure that the warmup regulator is within specs.
As always with old CIS systems check for vacuum leaks (see link), I can't emphasize this enough.
posted by 128.110.4...
Vacuum leaks
Posts in this Thread:
- 8 valve idle adjustments, Saana88 , Wed, 19 Mar 2003 14:10:44
- Re: 8 valve idle adjustments, MS, Thu, 20 Mar 2003 18:42:01
- Re: 8 valve idle adjustments, Todd 83-900T, Thu, 20 Mar 2003 10:31:01 <-- Viewing This Message
- If your warm idle is normal, CarlH, Wed, 19 Mar 2003 19:41:49
- Re: 8 valve idle adjustments, Patrick c, Wed, 19 Mar 2003 18:51:09
- See my post below. n/m, BobJ, Wed, 19 Mar 2003 15:41:22
- Not it, Saana88 , Wed, 19 Mar 2003 18:42:35
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