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It's not a Saab or a Porsche, but hey it is Christmas..
Posted by George (more from George) on Fri, 19 Dec 2003 19:57:06
In Reply to: NJ Emissions Test, Yaofeng, Fri, 19 Dec 2003 05:34:22
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Seriously, all I know about Volvos is that Joan Claybrook drove one.
However;
Your CO levels are fine which means, most likely, the O2 sensor is ok.
Your HC levels are fine which means, most likely the catalytic is ok.
NOX, in my experience is usually one of 2 things;
1. The car is running lean due to a vacuum leak. What color were the plugs?
2. The car has a bad EGR valve. I don't know if the Volvo even has an EGR valve, but if it does I would check that it opens and closes.
Good Luck
posted by 67.124.226...
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