Hi guys, I have a '99 Cavalier that was sold to a customer but failed E-Test on NOx (1015ppm, limit:505ppm). HC is 16ppm and CO% is Zero. Now I do not have a 5 gas test, the car got sent out for the e-test. I have check all sensor values, the only thing that s...

FIX posted 12/15/2006

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