| Message |
a nox problem with one of my Z's. I'm talkin' new cats, new o2's, total clean of EGR and operation, injector cleaned fuel rail, timing check, checked for exhaust leaks and vacuum leaks, and injector operation. I'm going to say due to two black plugs (one worse than the other) both on the same bank as the sniffer that one or two fuel injectors are acting weird, even though they ohm right. My Z gets a random light pop/puff noise at idle and accel. I want to say it's misfiring a little and allows excess o2 to get to the cats before the nox can be split and paired wit co. Meanwhile the hc's get burnt with some of the o2 in the cat and falsely tells the smog machine there's no hc's and occasionally low o2.
|
 |
