OBD Emmission Test in Arizona
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Senior Member
Joined: Dec 1969
Posts: 996
Likes: 1
From: TUCSON,AZ,USA
OBD Emmission Test in Arizona
Today was my day for OBD Emmission testing. No more tail pipe sniffer. They plug in to the OBD port under the dash.
Just as a precaution I did remove my Superchips before testing.
Passed with no problems.
Chip is back in and all is well.
Just as a precaution I did remove my Superchips before testing.
Passed with no problems.
Chip is back in and all is well.
Senior Member
Joined: Mar 2001
Posts: 994
Likes: 0
From: Sparks, Nevada
Hi T
I wonder what happens if you leave the chip in?
Testing done same here...my last smog was supposed to be thru OBD but machine down...so tech. did the tail pipe with printout. Chip was in. No problem...really clean burning.
Seems to me you wouldnt have to take it out, but i dont know that to be true...yet!
Good luck...OT
btw...if so...
I wonder what happens if you leave the chip in?
Testing done same here...my last smog was supposed to be thru OBD but machine down...so tech. did the tail pipe with printout. Chip was in. No problem...really clean burning.
Seems to me you wouldnt have to take it out, but i dont know that to be true...yet!
Good luck...OT
btw...if so...
Former Sponsor
Joined: Mar 1998
Posts: 13,385
Likes: 4
From: Virginia
No, you don't have to remove the Superchip even if they plug into the OBD-II port, though a lot of people feel more comfortable doing that beforehand even though it's CARB & EPA approved & emissions certified in all 50 states. That's fine too of course, whatever makes each person feel most comfortable. 
More & more states over time will probably be doing the plug-in to the OBD port, and all they're looking for are DTC's that would affect emissions, basically.
We love to see the tailpipe sniff test results, as we always shine there, the Superchips tuning generally lowers the emissions a bit, so they register incredibly clean between that and how far below the standards many of these vehicles already are from the factory.
Glad to hear it all went well, T Ellenberger!
If anyone ever has a tester ask about the Superchip during an emissions test, just show them the CARB certification paperwork that comes with the Superchip, and that's the end of that.
More & more states over time will probably be doing the plug-in to the OBD port, and all they're looking for are DTC's that would affect emissions, basically.
We love to see the tailpipe sniff test results, as we always shine there, the Superchips tuning generally lowers the emissions a bit, so they register incredibly clean between that and how far below the standards many of these vehicles already are from the factory.
Glad to hear it all went well, T Ellenberger!
If anyone ever has a tester ask about the Superchip during an emissions test, just show them the CARB certification paperwork that comes with the Superchip, and that's the end of that.
Thread Starter
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Senior Member
Joined: Dec 1969
Posts: 996
Likes: 1
From: TUCSON,AZ,USA
I was tempted to try the test with the chip installed but did not want to fail and have to come back for a retest.
The OBD test is fast. Whole process took between 2 to 3 minutes.
The OBD test is fast. Whole process took between 2 to 3 minutes.
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Joined: Jul 2002
Posts: 610
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From: WISCONSIN
Met my new neighbor today who is moving down here from Oregon. He's a emissions control technician. He says they will be only doing the OBD inspections on 1996 and newer. Older vehicles still get the tailpipe sniff.
Former Sponsor
Joined: Mar 1998
Posts: 13,385
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From: Virginia
Hi T Ellenberger,
Yes, some people just feel more comfortable that way for that exact same reason, who wants to come back.
Hapynzap,
Yes, OBD-II testing would only be appropriate for 1996 & newer vehicles, as not until January 1st of 1997 were all new vehicles required to be OBD-II compliant by the federal government. Thus the only vehicles that are fully OBD-II compliant are 1996 & newer model year vehicles, the automakers did that for all the '96 models, even those made before January 1.
There are some vehicles that are pretty close to OBD-II in the 1994 & 1995 model years, like the GM LT1's starting in 1994, & the Ford Powerstroke diesel starting in 1994 & 1/4, etc., but only the 1996 & up vehciles are required to be fully OBD-II compliant.
Actually, it's a mistake to assume that because no OBD-II codes are set that the emissions coming out of the tailpipe are actually clean enough to be in compliance, as they may very well not be! The vehicle can sniff dirty and still not have any DTC's, but that's the government for you...... it literally doesn't matter what comes out of the tailpipe, as long as they don't see a code, you're legal. Amazing....................
Yes, some people just feel more comfortable that way for that exact same reason, who wants to come back.
Hapynzap,
Yes, OBD-II testing would only be appropriate for 1996 & newer vehicles, as not until January 1st of 1997 were all new vehicles required to be OBD-II compliant by the federal government. Thus the only vehicles that are fully OBD-II compliant are 1996 & newer model year vehicles, the automakers did that for all the '96 models, even those made before January 1.
There are some vehicles that are pretty close to OBD-II in the 1994 & 1995 model years, like the GM LT1's starting in 1994, & the Ford Powerstroke diesel starting in 1994 & 1/4, etc., but only the 1996 & up vehciles are required to be fully OBD-II compliant.
Actually, it's a mistake to assume that because no OBD-II codes are set that the emissions coming out of the tailpipe are actually clean enough to be in compliance, as they may very well not be! The vehicle can sniff dirty and still not have any DTC's, but that's the government for you...... it literally doesn't matter what comes out of the tailpipe, as long as they don't see a code, you're legal. Amazing....................