NOX Talk
Hi guys
Im trying to remember what High NOX indicates. I just got back from emission test and my NOX is 3 xs what it was last year. (after looking at last years report.)
The mod this van has is a "Gadgetman Grove" in the Throttle body. While my HC are much lower 4-8 PPM ( from 30ppm) the NOX is 1250ppm (from 350, last years numbers).
If i remember right doesn't High NOX mean high combustion temp & the timing could be retarded?
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