well this car is [...] number at 15mph are hc 29,co .04,nox 23.25mph hc 8,co .00,nox [...] at 15 and 25mph, 02 switches from .3-.8mv with good [...] OPERATION IS NORMAL,thanks a bunch [...] is working as it should !!! i had a lot of tech advise me to check egr... Login to read more.