hi group ,

ahh monday for me . ok , 97 tacoma , 3.4L , failing hc @ 15mph . lambda is.6%rich , elevated nox , failing hc @ 66ppm , state ave. is 8ppm

15mph readings CO2 @ 14.8 , 02 @ 0.0 , CO @ .15 , HC @66 , NOX @ 406

what's your diagnosis ( assuming al... Login to read more.