Re: suggestion/help for failed CA smog - Saab 900 Bulletin Board - Saabnet.com
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2 Q's:
(a) what is your timing? I usually dial it back to 14 for smog test, that has dropped my NOx from high 900's to 750;
(b) are you sure the AMM is dialed in correctly so the O2 sensor is cycling? (I have an '87, so AMM is adjustable, not sure about your '88 though).
You are correct that ok HC & CO with high NOx usually means it is running lean... but everything has to be just right on these cars to pass NOx.
Posts in this Thread:
- suggestion/help for failed CA smog, ryan , Mon, 10 Sep 2012 13:13:07
- I fixed one like that with a radiator., John Myers, Thu, 13 Sep 2012 13:27:56
- 9/12 update, ryan , Wed, 12 Sep 2012 19:11:56
- FORGOT to mention one issue on the new cat, ryan , Mon, 10 Sep 2012 15:12:30
- so far it sounds like, ryan , Mon, 10 Sep 2012 15:11:21
- Re: suggestion/help for failed CA smog, kenS , Mon, 10 Sep 2012 13:42:46 <-- Viewing This Message
- Yup., Justin VanAbrahams , Mon, 10 Sep 2012 14:56:47
- Re: Yup, timing..., kenS , Mon, 10 Sep 2012 15:52:28
- Re: Yup., ryan , Mon, 10 Sep 2012 15:14:35
- Re: Yup., Justin VanAbrahams , Mon, 10 Sep 2012 15:43:10
- Re: Yup., ryan , Mon, 10 Sep 2012 15:51:45
- Re: suggestion/help for failed CA smog, ryan , Mon, 10 Sep 2012 13:57:25
- Look for vacuum leaks ..., RS , Mon, 10 Sep 2012 13:31:12
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