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Old 04-28-2011, 09:10 PM   #1
aTm Beaner
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Talking Emissions and Tune

so everything worked out as expected. my car passed with flying colors. i was getting a little worried, but they plugged her into the OBD scanner and she passed!

The tune I'm running is for emissions, and the only thing disabled is the Rear o2 sensor. The good part is that I received a "Ready" code for the o2 sensor even with it disabled. I'm guessing the tune masks it to make it look likes its operating the way it should be.

The only "not ready" code was for the catalyst. i'm trying to figure that one out.




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Old 04-29-2011, 02:44 AM   #2
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You have ALL that and you PASSED! are you serious! wow congrats, I would have been in hand cuffs in cali. LOL
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Old 04-29-2011, 02:45 AM   #3
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lol. good job.

Catalyst was not ready because it probably hadn't been driven long enough. some cars are just a pain that way.
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Old 04-29-2011, 12:49 PM   #4
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Catalyst wasn't ready because there's no way to tell if it's ready or not with the rear O2 disabled, that's kinda it's job. LOL
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Old 04-29-2011, 04:48 PM   #5
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it's weird that my o2 sensor says "ready" when it's supposed to be disabled for my header. i'm not complaining!
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Old 05-13-2011, 06:26 PM   #6
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Who did your tune? u have the stock exhaust manifold?
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Old 05-13-2011, 11:07 PM   #7
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Quote:
Originally Posted by Sean05 View Post
Who did your tune? u have the stock exhaust manifold?
i'm running a F2 header, and FSWerks did the tune. i'm currently running an 87 octane tune with only the secondary o2 sensor being turned off.
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Old 05-13-2011, 11:23 PM   #8
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The rear o2 is what sets and adjust for the catalyst , this is an issue with most peoples tunes that have the rear o2 turned off

SCT cannot turn off the "ready" settings when things are turned off for some reason , you would think there would be a way to turn it off to the point that the PC doesnt even look for it to be on when the tune has it turned off , Cant have it all lol

Tom
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Old 05-13-2011, 11:46 PM   #9
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I love Travis County emissions laws, lol. OBDII only, and You can get 2 NR's and still pass! I'm running with similar bolt-ons minus tune and add a mechanical downstream O2 "delete", and am fully expecting to pass in June when Mine is due.
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Old 05-14-2011, 07:41 AM   #10
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For cars newer than 2003, only one NR is allowed. What type of header are you using?
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