uprev and emissions

SouthArk370Z

Since no one, including yourself, seems to know what was done for your tune, it's going to be impossible to answer your question. The fact that every state has different regulations and procedures only makes things worse. You need to talk to someone familiar with smog testing in your area.

An OBD/CAN monitor plus a tailpipe sniffer should be able to give you a good indication of where you sit, but you will need to be able to interpret the readings.

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jamesj1996

I didnt even get a tune yet im asking before I do...also I said many times its OBDii and visual testing in nj. .

ANMVQ

OK wow so you have no tune? And have yet to get your sticker and am worried about failing with UPRV? Is that accurate BTW my head hurts reading this your questions are all over the place,

So I don't know of any Z or G that failed with UPREV and only know subi and EVO guys where having issues with sensor being shut of because of NO CATs and or EGR valves. And or running EURO ECU's

There also was some clown YES IMO clown who came on here and started some BS about failing in MA with UPREV. I had a valid Sticker with UPREV and a Stillen SC, There are more than a handful of MA guys that have stickers and have UPREV on here. One was a few post above. MA and NJ look like they run the same inspections. OBDII and visual as LONG as you have nothing shut off you should be all set, If you have HFC's them make sure they are not throwing a code, If they are and you have it tuned for that I believe the tune shuts that sensor off, Hence Fail if the system sees that sensor as NOT ready on NOT supported and you are to have one. Not completely sure how the NOT supported works tho. But maybe try next time just say "Thinking of Getting UPREV any issues with emissions test" .02

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jamesj1996

Sorry for not being clear but yeah I have a sticker my inspection is in 2 years im askin all this bc of that guy that failed on MD with uprev saying certain systems are "not supported" im jus scared with uprev I wont pass. Currently I do have a sticker

jamesj1996

And also currently I have an incomplete in my catalyst and a few other systems I do have a minor leak in my evap system but thats about it. Does that change to complete by the dealer doin the specific SRT or is it just my personal driving cycle? I wont pass with that either

ANMVQ

Well you answered you own question with the "not supported" comment. That means he had sensors off. Usually the second set of o2's if he had cats or TP's. As long as you don't have anything shut off you'll be fine. I have HFC's NO cel and tune and I'm fine.

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mag_black

No James, I was on tuned map. I just made sure all monitors were in ready state. I went back to the tuner because my catalyst monitors were turned off.

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jamesj1996

So u jus went back to tuner to make sure everything was ok for emissions? Also did they charge u to do that

jamesj1996

Ok now what about my comment about the incomplete for the catalyst and stuff..is that just my own driving cycle or the SRT that the dealer has to complete for me

olddudesrule

Look, I've lived in two states with pretty stringent emissions laws, and had "tuned" cars in both. As long as you don't have a CEL on, and all emissions systems show "ready" or "run" on an OBDII reader (which you can check youself)' you should be fine. They will be looking for a CEL or monitors that are not showing in run condition, that's it. A tune will adjust your fuel trims, and can also be used to turn "off" certain things (like the CEL for down stream O2 sensors), adjust your fan on/off temps, etc...

jamesj1996

ight thanks but what about my SRT question or the driving cycle...

mag_black

No charge for going back. I would call your tuner and see what he's turned on/off and invest in scantool or plx wifi/bluetooth.

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Jordo!

What do you mean "incomplete"? What does SRT stand for in this context?

Does that mean you have not yet had the cat and related O2's checked for functionality?

I think new cars don't require smog testing the first year or two, at least in some states, so if you have a fairly new car the emissions may have not been tested yet...?

Anyway, in summary:

1. Every state is a bit different, so what passes or fails in one may or may not pass or fail in another.

2. If the HFC's you have on give acceptable emission gas readings from tail pipe test, you should pass the smog test (although technically, changing the cats AT ALL is not really federally legal... but if you pass a visual check, you are fine and don't need to worry.)

3. If the 2ndary (i.e., post cat) O2's are ON and ready, it should pass the OBDII check; having uprev on the ECU should not matter (or even be detected).

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SouthArk370Z

https://www.google.com/#q=site:the370z.com+emissions

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olddudesrule

Ok, I can only assume by "incomplete"' you mean that the dealer told you they are showing a monitor that is not showing a "ready" or "run". This can, as any CEL can, go away after a certain number of driving cycles if the ECM doesn't see an issue over time. If it's related to a mod you made to the O2 sensors or cats, then it will probably not just go away, and will require a modification by a tuner.

I had this issue with my last Z06 after a LTH, HFC and Katach 110 cam install. Had my local LS tuner take care of it with HPTuners software. No emissions issues.....lumpy idle and all.��