Still failed the smog. - Saab 900 Bulletin Board - Saabnet.com
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Still failed the smog.
Posted by Macy (more from Macy) on Sun, 28 Dec 2003 06:03:47
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1988 Saab 900 tubro - California using dyno
I have tried to enrich the gas mixture (I was told the mixture is too lean), it cause even higher HC(around 60) & NOX(over 3000 at 15 mph). still almost 0.0 on CO.
I went to GoldShield station, they said they can't do anything since I already checked the following are ok: compression test, O2 sensor, AirMess sensor, new cat(aftermarket), computer, new by-pass valve. They told me to take it back to the dealer. I didn't see EGR valve in my car.
The somg guy told me that the yellow vacuum hoses (Silicone) is not smog legal. Does anyone heard about that? Do you think I need to change back to rubber hose?
The only thing I have modified in my car is the silicone vacuum hose, put 1992 SPG turbo pipe & intercooler.
If the fule pressure regulator failed, or injector seal leak will cause the problem? Since I already replaced all the vacuum hoses, what else I need to check on vacuum leak?
If I put methanol in my gas tank, will that help me to pass the smog? I failed w/super high number on NOX.
Do you think I should bring to that dealer? Anyone knows about the program that to waive the smog check for 2 yrs in CA? Any info besides the phone number.
Thanks for all of your help.
posted by 63.207.13...
Posts in this Thread:
- Still failed the smog., Macy, Sun, 28 Dec 2003 06:03:47 <-- Viewing This Message
- Re: Still failed the smog., MS, Tue, 30 Dec 2003 00:26:35
- Try this, Carl, Mon, 29 Dec 2003 20:57:47
- Re: retard spark to 13-14, JohnK, Mon, 29 Dec 2003 13:29:27
- check everything for a vacuum leak -- not just, jimmy, Mon, 29 Dec 2003 02:25:16
- Re: Still failed the smog., ryanathp, Sun, 28 Dec 2003 23:16:31
- More Info & question, <b>need help!!!</b>, Macy, Sun, 28 Dec 2003 19:56:16
- air/fuel mixture, Macy, Sun, 28 Dec 2003 10:54:03
- Re: Still failed the smog., Cliff, Sun, 28 Dec 2003 10:04:24
- Re: Still failed the smog., Jonathan, Sun, 28 Dec 2003 07:39:01
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