Hi: This car came in because it failed emission on NOx at 25 mph. I checked emission at front of cat, reading as followes H.C. 56ppm, C.O. .5%, C.O.2 14.2%, NOx 2058ppm O2 .4%. NOx need to be below 754ppm to pass emission. I am wondering if C.O. is too low and...

FIX posted 11/11/2005

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