Re: NJ Emissions hurdle - Saab 9000 Bulletin Board - Saabnet.com
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Yaofeng,
Marvin is right- you are really close- just slightly rich. I'm going to assume that the car is up to op temps when you tested, so what could make it slightly rich?
An off spec FPR may- vac dumps the pressure on the line- check that vac hose.
MAP sensor- long shot
Coolant sensor- good numbers? If it is reading cold, that will cause the ecu to enrichen the mix slightly.
O2 sensor(s), you have two- but, I'm pretty certain that these guys really only come into play at idle and once you are rolling they have little effect. But, check them out to see if they are both functioning.
Air filter?
Let us know,
All the best,
K
Posts in this Thread:
- NJ Emissions hurdle, yaofeng, Mon, 1 Dec 2008 08:12:07
- Re: Read your previous numbers, Kevin M , Tue, 2 Dec 2008 20:02:01
- Re: NJ Emissions hurdle, Kevin M , Tue, 2 Dec 2008 19:43:52 <-- Viewing This Message
- Fuel Pressure too High?, marvinstockman, Mon, 1 Dec 2008 16:36:30
- Re: Check PCV and clean IAC ?, DanaH, Mon, 1 Dec 2008 16:29:59
- Re: NJ Emissions hurdle, Jason, Mon, 1 Dec 2008 13:42:48
- How did this car pass inspection last time around ? n/m, TKC, Mon, 1 Dec 2008 12:26:17
- Re: NJ Emissions hurdle, SteveJ, Mon, 1 Dec 2008 09:17:49
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