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Old 05-29-2006, 05:29 PM   #1
USAFA08
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Default emissions

i'm at the air force academy in colorado springs and i need an emissions test to register my car on base, however, my car has catless turboback and uppipe so obviously it will fail emissions testing, anybody know somewhere i can get testing done that'll pass me?
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Old 05-29-2006, 06:08 PM   #2
bhhamblin
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if you have the cobb accessport you dont have to worry about emissions.
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Old 05-29-2006, 09:33 PM   #3
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i've got UTEC
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Old 05-29-2006, 11:11 PM   #4
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Quote:
Originally Posted by bhhamblin
if you have the cobb accessport you dont have to worry about emissions.
Care to elaborate on that? Never heard that before, sounds awesome.
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Old 05-29-2006, 11:21 PM   #5
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when you have the accessport it clears all of the check engine lights that they would check for emissions. So if you were running a catless system which would not pass then if you had the accessport it would as long as they dont do a visual check. I THINK THAT UTEC DOES THE SAME THING.
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Old 05-30-2006, 08:54 AM   #6
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Why don't you buy a cel fix? There is an up and down pipe that you could buy off ebay.

That will take care of your problem
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Old 05-31-2006, 02:53 AM   #7
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Colorado does a dyno test and some do a visual as well.
You may need to borrow a stock cat and down pipe for a couple days to get your pass. I know of well tuned catless cars that have passed our test, so you might pass if they are not looking too closely for cats.

Make sure the car is well warmed up and see how it goes.

CEL's do not fail you in Colorado so it does not matter if you have a light showing.

If you need tuning help, look up a place called Revolutions tuning down in the springs. Phone is 635-6200 I believe.
901 Yuma St, Unit H Colorado Springs, 80909

They should be able to help you out.

Larry
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Old 01-21-2007, 02:12 PM   #8
mcelus
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Default access port to pass emissions?

Looking for some advice in response to this thread as I am in the same situation.

I have an '03 WRX with APS full cat back exhaust, pde uppipe, cold air intake, bov, and old style uni-chip piggyback engine management system. Just moved to CO from CT (where I fortunately avoided emissions testing because of timing) but not so lucky to avoid the testing here. I went to register and with an '03 they quickly said you have to get tested.

So to add to the dilemma I do not have any of the OEM parts and really, really do not want to unbolt the existing mods just to pass. Do I have any other options? My thought was to rip out the old unichip and get Cobb's access port and then run an economy map after running the car hot for a bit to go get the test. Will this in theory help me to pass? I find spending the $700 to get the access port would be more logical for me than to have to rip the crap off every 4 years.

I've also heard that the testing center up in Evergreen (like Ft. Collins) only does the sniffer on the pipe, and not the full AWD dyno testing. Is this true?

Thanks for any suggestions guys.
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Old 01-22-2007, 01:04 AM   #9
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Quote:
Originally Posted by bhhamblin View Post
if you have the cobb accessport you dont have to worry about emissions.
Why the hell would someone from Utah, who obviously doesn't know what they are talking about answer this question? In Colorado we do a dyno/sniffer as well and there is no way he'll pass completely catless.




OP your best bet will probably be to find someone who'll let you borrow a stock DP/MP for testing. Missing the UP cat shouldn't make you fail. Check over at www.awdpirates.net to see if somebody can hook you up.
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Old 01-22-2007, 02:19 AM   #10
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Buy some CRC GTP and add it to you tank. Put one cat back--3rd cat and also find a way to put the OEM downpipe heatshied to your current downpipe (you need a dremel). I passed with flying colors. I also have ECUTEK so I went to my valet/concervative settings. Don't forget to let the car run for a while before doing the emission. If you have CEL, buy the resistor for the CEL fix.

Last edited by 2002WRX_5speed; 01-24-2007 at 12:34 AM.
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Old 01-22-2007, 09:08 AM   #11
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Default catless

Thanks for the replies, whether they were directed to me or not In any event, I have the CEL resistor on there, but it failed after 3 months so the CEL is back on. I saw someone say CO does not fail you for having the CEL, but sounds like I have no choice but to find somone with a stock UP/MP that I can borrow to put on for inspection. Hopefully those bolts aren't too frozen...
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Old 01-22-2007, 01:22 PM   #12
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So what you guys in Colorado are saying is that every emissions place has awd rollers? or do they disconnect power to the front wheels or something like that?
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Old 01-22-2007, 01:40 PM   #13
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Quote:
Originally Posted by 02blueru View Post
So what you guys in Colorado are saying is that every emissions place has awd rollers? or do they disconnect power to the front wheels or something like that?
Actually, it varies from county to county how they test. Some counties in the high country are even emissions exempt. AFAIK, only Boulder and Denver Counties use the AWD dyno to test. But all areas that test use a sniffer test. And a CEL will NOT fail you.

I've got a spare stock DP and Uppipe that I will GIVE away. I don't want it back if you come take it. I have no use for it. I am in Boulder County...
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Old 01-23-2007, 01:46 AM   #14
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Quote:
Originally Posted by mcelus View Post
Thanks for the replies, whether they were directed to me or not In any event, I have the CEL resistor on there, but it failed after 3 months so the CEL is back on. I saw someone say CO does not fail you for having the CEL, but sounds like I have no choice but to find somone with a stock UP/MP that I can borrow to put on for inspection. Hopefully those bolts aren't too frozen...
Don't bother with the UP, you shouldn't need to change it and as I'm sure you know its a pain in the ass. DP/MP should get you passed, you may need to revert back to a stock tune for the testing but that might not be needed.

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Matts deal sounds like a hell of an option.
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Old 01-23-2007, 09:10 AM   #15
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Default downpipe off your hands

sweet! I'll gladly take the DP off your hands. Sounds like I don't need the UP based on everyone's comments across multiple threads. I have a buddy that lives in Boulder -- I could even get him to swing by to pick it up. Send me a private message, or e-mail me at mcelus@hotmail.com to let me know how I can grab it from you.

Such a pain in the acehole, but I do want to pass...cheaper than getting a new car I guess
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Old 01-24-2007, 12:36 AM   #16
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Old 01-24-2007, 07:39 AM   #17
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^Helps with the sniffer, but doesn't help on the visual.^
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Old 01-24-2007, 02:41 PM   #18
Matt Monson
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Quote:
Originally Posted by mcelus View Post
sweet! I'll gladly take the DP off your hands. Sounds like I don't need the UP based on everyone's comments across multiple threads. I have a buddy that lives in Boulder -- I could even get him to swing by to pick it up. Send me a private message, or e-mail me at mcelus@hotmail.com to let me know how I can grab it from you.

Such a pain in the acehole, but I do want to pass...cheaper than getting a new car I guess
Are you still looking for that DP? Best to PM me with a phone number. I forgot about this thread until today. The proactive one will get what he wants...
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Old 01-24-2007, 09:04 PM   #19
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Default sniffer

Thanks for showing the sniffer CRC stuff...never seen that before. Re the DP, actually all I would need is the MP since I have the highflow DP on there now. I'll def let you know . Thanks so much guys!!!
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Old 01-25-2007, 01:17 PM   #20
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If you've got a cat in your DP, I wouldn't worry about the midpipe. Go smog that biacth...
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Old 01-25-2007, 11:03 PM   #21
mcelus
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Default smog patrol

well put...going to go rock that test next week. the CRC stuff says to run a full tank on it, then fill up, heat up, and test. we shall see
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Old 02-10-2007, 02:03 PM   #22
mcelus
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Default Failed!

Well, a little later than expected, but I did get to the testing center today. It failed by a hair. Basically the Carbon Monoxide readings were too high. The CEL "failed" but they can only give you an "advisory" about that now. So probable causes for CO readings too high are too lean of air/fuel mixture.

Thoughts on how to fix that up temporarily? I was thinking switch the cold air intake with the old black box (which I don't have) and put the MP back on (which I also don't have).

If anyone out there can lend me that stuff, I'm around in the late morning/afternoon tomorrow (Sunday 1/11) and could come by to pick it up. I plan to go right back over there and stomp it out as soon as possible - so I'd be able to give it back to you before next weekend.

For those who would like to know the official Colorado emissions regulations / pass limits / state caps here they are:

HC (hydrocarbons) 1.2 (I had 1.0959)
CO (carbon monoxide) 20.0 (I had 21.83, fail)
CO2 (carbon dioxide) seems to be no limit but directly related to the CO emissions...I had 379.85
NOx (nitrous oxide) 3.0 (I had 1.76)
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