Re: Failed NJ NO2 Emission Test - Saab 900 Bulletin Board - Saabnet.com
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Re: Failed NJ NO2 Emission Test
Posted by PaulR (more from PaulR) on Mon, 10 Mar 2003 19:46:37
In Reply to: Re: Failed NJ NO2 Emission Test, thereuare, Mon, 10 Mar 2003 14:34:05
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My daughter's ng 900S ( with 112K miles) had the same problem. I changed the Oxy sensor and did squat. Took it to a local indy, who tuned-up the car. New plugs; rotor, caps and cleaned the injectors. The car passed the emissions test without a problem. I remember being told that high NOX is due to high combustion temps, which are influenced by ignition timing. It may have been that the car prior to the tune-up was set way off. In addition to passing inspection the car performs significantly better. At $150 +/-, this might be a good first step before jumping to a new cat.
Paul R.
posted by 12.89.78...
Posts in this Thread:
- Failed NJ NO2 Emission Test, RWBreining, Mon, 10 Mar 2003 14:21:57
- Re: Failed NJ NO2 Emission Test, Nigel, Mon, 10 Mar 2003 16:20:19
- Re: Failed NJ NO2 Emission Test, JohnK, Mon, 10 Mar 2003 14:38:54
- Re:huh?, Sjer, Mon, 10 Mar 2003 19:46:23
- Re: Failed NJ NO2 Emission Test, thereuare, Mon, 10 Mar 2003 14:34:05
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