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Nissan 370Z Forum (http://www.the370z.com/)
-   Engine & Drivetrain (http://www.the370z.com/engine-drivetrain/)
-   -   UPREV Tuned can't pass EMISSIONS (http://www.the370z.com/engine-drivetrain/74452-uprev-tuned-cant-pass-emissions.html)

rich2342 02-09-2014 07:42 AM
Quote:
Originally Posted by jlo370z (Post 2685050)
who needs a fix when you can use a band aid.

two tunes identical, one with dtcs on and one with them off. when you have to test, flash to the ones with them in the ready position. drive 100 miles and test before they turn on. pass test, flash back to the other tune with them off
Either way the ROM will still be flashed and cause a failure.

mag_black 02-09-2014 10:18 AM
Quote:
Originally Posted by jlo370z (Post 2685050)
who needs a fix when you can use a band aid.

two tunes identical, one with dtcs on and one with them off. when you have to test, flash to the ones with them in the ready position. drive 100 miles and test before they turn on. pass test, flash back to the other tune with them off
That's not a bad idea, but most people here use a tuner and don't own a cipher cable.

I'm going in 2 months and I know others w/ uprev that have passed. We'll find out soon enough. I'll be more than prepared.

gbrettin 02-09-2014 12:47 PM
Quote:
Originally Posted by mag_black (Post 2685526)
That's not a bad idea, but most people here use a tuner and don't own a cipher cable.

I'm going in 2 months and I know others w/ uprev that have passed. We'll find out soon enough. I'll be more than prepared.
I'm curious to know how it goes for you.

rich2342 02-09-2014 01:20 PM
Quote:
Originally Posted by mag_black (Post 2685526)
That's not a bad idea, but most people here use a tuner and don't own a cipher cable.

I'm going in 2 months and I know others w/ uprev that have passed. We'll find out soon enough. I'll be more than prepared.
Are you talking in the state of MA.? When particularly?

mag_black 02-09-2014 06:35 PM
^^ yes, in MA. I have it due at the end of April. I believe Tibal is getting his inspection soon too.

jlo370z 02-09-2014 06:57 PM
Quote:
Originally Posted by rich2342 (Post 2685393)
Either way the ROM will still be flashed and cause a failure.
unfortunately we are talking about a few different states in here. I am from illinois, what i described above will work for my state. I hope for MA guys, something is figured out so you can mod your cars without fear

rich2342 02-09-2014 08:10 PM
Quote:
Originally Posted by mag_black (Post 2686053)
^^ yes, in MA. I have it due at the end of April. I believe Tibal is getting his inspection soon too.
I'm due the end of this month.. Really don't want to swap cats and detune again. Was hoping for some solution to avoid getting flagged again.

mag_black 02-09-2014 08:30 PM
I know several people w/in our local group that have uprev and have passed. I'm going in w/ ARTS, FI CBE, Stillen G3's and UPRev. All sensors will be on and I will continue to scan and monitor w/ DashCommand so I'll know that all monitors are in ready state.

rich2342 02-09-2014 08:49 PM
Have they passed in the last year or so? I had passed in prior years before the software was updated in 2012.

mag_black 02-09-2014 09:46 PM
Yup, 2+ years of UPRev.

rich2342 02-09-2014 09:48 PM
Can you pm location? I will have to have my dtc's checked prior, but who knows..

efuseakay 02-10-2014 06:55 PM
Quote:
Originally Posted by TVPostSound (Post 2685015)
Uprev tuner disabled the DTCs die to not having cats, otherwise DTCs would go off.

Once the stock tune is returned, DTCs will be set due to O2 senors reading high due to no cats, failing again.

The only fix is to reinstall the cats, and the stock tune.
o2 spacer bungs.

1slow370 02-11-2014 02:39 AM
test pipes with j-tubes and spacers will get rid of the light if they dont actually look for the cats or sniff it. That or move to a non smog state or bribe someone. being that you are in the north east and everything is pretty tight is there a place that you could commute from that doesn't have the checks? or just register it in a neighboring state and claim you primarily use that vehicle there.

mag_black 05-03-2014 11:12 AM
Update: I passed inspection today. Uprev, ART, FI cbe and stillens. I went to the tuner to turn on my catalyst monitors andade sure everything was ready using dash command.http://img.tapatalk.com/d/14/05/04/neseryre.jpg


Tapatalk


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