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Old 09-10-2012, 10:06 PM   #1
chickenwingo
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Join Date: Dec 2007
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2007 wrx
black

Default Emissions question

Hey guys I am up for emissions testing and had a couple questions. I bought my car a few years back and it came with a catless downpipe already installed. I am throwing codes p0442 and p2096 which I assume are both exhaust related. I am just wondering what my best options are for passing emissions in Arizona. Should I just get a stock exhaust and replace it or are there other options available. Thanks guys!
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Old 09-10-2012, 10:13 PM   #2
Navendra94
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Idk the Arizona law... HOW EVER. Alot of people slip on a stock exhaust for the test and then put back their aftermarket after the test.
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Old 09-11-2012, 04:09 AM   #3
FastS2k
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You will not pass emissions if you have a CEL. Don't quote me on this, but after a quick search of the codes, it looks like the first one is a leak in the EVAP system and the second one is a lean code from the rear O2 sensor. Not much help, but good luck.
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Old 09-11-2012, 12:49 PM   #4
02blkwagn19
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It's super easy to pass emissions out here. Just get the codes cleared by your tuner or someone that will do it for you if you don't have the tools to do so.

And like S2k said the evap leak you should just fix anyways instead of clearing that one. But get the rear O2 code cleared and you will be golden.
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Old 09-11-2012, 01:17 PM   #5
03.dub.r.x
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what about a cracked windshield?
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Old 09-11-2012, 01:23 PM   #6
bobturismo
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we dont have a regular "inspection" out here, they are only interested in emissions equipemnt.

The only time a cracked windshield would matter is if you were getting an inspection for a restored salvage title, at which point the car would have to have been totalled by an insurance company.
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Old 09-11-2012, 01:33 PM   #7
03.dub.r.x
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Quote:
Originally Posted by bobturismo
we dont have a regular "inspection" out here, they are only interested in emissions equipemnt.

The only time a cracked windshield would matter is if you were getting an inspection for a restored salvage title, at which point the car would have to have been totalled by an insurance company.
thank you for the update ill probably go thursday lol ive been slacking due to my windshield
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Old 09-11-2012, 02:33 PM   #8
bobturismo
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Quote:
Originally Posted by 03.dub.r.x View Post
thank you for the update ill probably go thursday lol ive been slacking due to my windshield
as long as you don't have any check engine lights stored in the system, you should be good.
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Old 09-11-2012, 06:17 PM   #9
chickenwingo
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Thanks for the help guys i'll look into getting the codes cleared. If that doesn't work ill just do the swap. My windshield also has a huge crack I was worried about that too, glad you brought that up!

Edit: Is getting the codes cleared something an autozone could do, it does it require a special code reader?
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Old 09-11-2012, 09:08 PM   #10
2012WRXY
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If auto zone clears your codes they will most likely come back after a drive cycle, and a evap leak is not a code you just wan't to clear.
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Old 09-13-2012, 04:09 PM   #11
03.dub.r.x
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woooo pass
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Old 09-13-2012, 10:48 PM   #12
bobturismo
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Quote:
Originally Posted by chickenwingo View Post
Thanks for the help guys i'll look into getting the codes cleared. If that doesn't work ill just do the swap. My windshield also has a huge crack I was worried about that too, glad you brought that up!

Edit: Is getting the codes cleared something an autozone could do, it does it require a special code reader?
They usually won't clear the codes for liability reasons I guess, but 98% of the codes scanners do. Also you can rent the scanner from them, clear the code and return and get 100% of you money, same with checkers.

You can reset your ecu by disconnecting the battery for a minute or two, but then it has to go through the drive cycles until it's "ready". If you were to disconnect the battery in line for emissions and then try to go through, it will come up as "not ready".
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Old 09-14-2012, 11:48 PM   #13
FastS2k
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s2000 reallynotthatfast

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Yeah, generally the autoparts store won't clear the codes. Depending where you live, I have a code reader and can delete the codes for you if you just want to see what happens. Odds are though, they will come back and when you delete the codes the ECU still has to relearn.
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