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Old 04-27-2013, 12:11 PM   #551
BigJ02wrx
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Looking for assistance! Just failed the HC (PPM) test at idle speed while passing everything else. Does anyone have any suggestions for passing the idle test? The mods are listed below. I passed with these mods 2 years ago but can't pass anymore. I even replaced the downpipe with a new one.

catless uppipe with CEL fix
Maddad Whisper catted downpipe
Maddad Whisper catted catback
STI intercooler
AEG CARB legal cold air intake
Yimi Sport open source tune

Smog results:
%CO2
Idle: 13.4
2500rpm: 14.6

%O2
Idle: 1.6
2500rpm: 0.1

HC(PPM) max = 100
IDLE: I tested 147 (fail)
2500rpm: I tested 40 (pass)

%CO max = 1.00
Idle: 0.23
2500rpm: 0.18


The smog tech suggests I have vacuum leak somewhere in the intake, but he does not know about the mods he cannot see under the hood so I'm unsure whether to considerh his conclusion.
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Last edited by BigJ02wrx; 04-27-2013 at 12:18 PM. Reason: add smog results
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Old 05-01-2013, 11:23 PM   #552
NutBucket
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To be honest that sounds like the cats not being hot enough.
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Old 05-02-2013, 06:28 PM   #553
paN1k
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When is the last time you changed your sparkplugs?
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Old 05-07-2013, 02:02 PM   #554
BigJ02wrx
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MBP

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I ran the car for quite awhile and thought that the car was running hot enough. I believe the spark plugs were changed in September, but I don't recall at the moment.
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Old 05-11-2013, 11:54 PM   #555
rationull
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This thread seems like a good place for this question, since I don't think I've seen it answered directly so far. I think the obvious answer is probably the correct one but it's worth asking IMO.

What's the deal with the legality of tunes? Are they illegal (for on-road vehicles) but just not directly covered by current test procedures? I remember reading that at some point the smog check was going to include some kind of verification that an official manufacturer tune is programmed into the ECU. I'm guessing this will cover even model years from before that test is added?

I guess there are two questions:

1) Are tunes actually disallowed by the smog laws?
2) How much do we know about what will be covered by the tests when they start?
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Old 05-13-2013, 11:37 AM   #556
TommyBlazeHD
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Question Idle Speed SMOG test fail?

Quote:
Originally Posted by BigJ02wrx View Post
Looking for assistance! Just failed the HC (PPM) test at idle speed while passing everything else. Does anyone have any suggestions for passing the idle test? The mods are listed below. I passed with these mods 2 years ago but can't pass anymore. I even replaced the downpipe with a new one.

catless uppipe with CEL fix
Maddad Whisper catted downpipe
Maddad Whisper catted catback
STI intercooler
AEG CARB legal cold air intake
Yimi Sport open source tune

Smog results:
%CO2
Idle: 13.4
2500rpm: 14.6

%O2
Idle: 1.6
2500rpm: 0.1

HC(PPM) max = 100
IDLE: I tested 147 (fail)
2500rpm: I tested 40 (pass)

%CO max = 1.00
Idle: 0.23
2500rpm: 0.18


The smog tech suggests I have vacuum leak somewhere in the intake, but he does not know about the mods he cannot see under the hood so I'm unsure whether to considerh his conclusion.
Why did you replace the downpipe with a new one? Maybe the old one will work? Maddad make great products, but from what I've been told, even catted aftermarket DPs are not guaranteed to pass emissions. Most users on this forum bolt the stock (OEM) DP, Re-Tune, and then they get the car sniffed... Good Luck. (There is no guarantee expressed or implied in my opinion.)
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Old 05-13-2013, 02:32 PM   #557
wayoutwest
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gray

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Had a similar thing happen to me ... had the tuner lean out idle a tiny bit, and ran the engine at 3k rpms or so (get EGT up to 850-900) to warm up my single high-flow cat, and it passed with flying colors the 2nd time.

good luck,
dave

EDIT: Also, add 10% E85 to your gas tank will help out as well.
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Old 05-14-2013, 09:41 AM   #558
BigJ02wrx
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MBP

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Quote:
Originally Posted by TommyBlazeHD View Post
Why did you replace the downpipe with a new one? Maybe the old one will work? Maddad make great products, but from what I've been told, even catted aftermarket DPs are not guaranteed to pass emissions. Most users on this forum bolt the stock (OEM) DP, Re-Tune, and then they get the car sniffed... Good Luck. (There is no guarantee expressed or implied in my opinion.)
Thanks for the tip. I decided to replace the DP after discussing the issue with my mechanic. The initial diagnosis was the cat in the DP. I passed with the original Maddad DP the last two times and basically concluded that the old DP was the issue. I'm going to take it in to the mechanic for a detailed diagnosis.
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Old 05-18-2013, 10:00 PM   #559
michaellongle
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Location: Orange County CA
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i just found this thread. i just wasted 40 bucks -_______- FML
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Old 05-19-2013, 10:28 PM   #560
geedar
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I have a question for the techs out there or anyone with direct experience. Is it possible to have a "pre-flight" smog check done while the machine is not online with the DMV system? Just to see what the numbers are without it being recorded? I'd like to see what my numbers are even though my smog is not due for a long time from now.

If I can pass then I'll look into the possibility of clearing my smog early. I don't know if DMV will allow that though.
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Old 05-23-2013, 12:30 AM   #561
bdi
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^A tech can prob confirm but I am pretty sure this is possible at some performance shops that do smog. I was going to to this but said bump it and went for it all. I suggest calling around to some shops and asking.
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Old 05-30-2013, 07:19 PM   #562
EPlascencia60
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GW- Socal F4 #46

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I get asked tons of smog questions, however the questions aren't clear. Please inform me the area where your vehicle doesn't pass, I have no need to know your mods unless necessary. Thank you
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Old 06-04-2013, 11:55 PM   #563
NutBucket
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Its called a pre-test and a decent shop/tech can run the machine in an "offline" mode just to check things out.
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Old 06-06-2013, 01:03 AM   #564
EPlascencia60
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Quote:
Originally Posted by NutBucket View Post
Its called a pre-test and a decent shop/tech can run the machine in an "offline" mode just to check things out.
Well said, pre-test are always available if you are unsure. Have questions? Ask your smog tech prior, if you're cool with them they'll be cool with you.
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Old 07-08-2013, 01:54 PM   #565
redrex002
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^ this guy knows what hes talking about ^_^
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Old 07-16-2013, 09:16 AM   #566
mrtimroxass
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ugm

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Im am due for smog. My car is an 07 sti. My problem is i have an up pipe with ewg. Do you think i can replace my exhaust with the stock exhaust and put on the stock tune, while leaving the rest of my mods on and limp it to get smogged? My mods are up pipe with ewg, fuel pump, and electronic boost controller and TBE. Thank you in advance guys.
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Old 07-18-2013, 02:26 AM   #567
Riz98
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Aspen White

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I will be moving to the San Diego area at the end of this year and will be keeping my Wisconsin plates and registration. Do I need to get smogged at all or will they be able to get me at the moving smog checks with out of state plates?
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Old 07-18-2013, 05:44 PM   #568
etaktaf
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Join Date: Jun 2003
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Default AB 2289 Smog Law

Set to begin January 1, 2013; Model year 2000 and newer vehicles will no longer require the tailpipe emissions test portion of the smog check process. AB 2289 will require late model vehicles be administered the smog check's visual and functional tests only.

Does anyone know if this law is in effect? If not, is there an ETA?

Thanks.
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Old 07-20-2013, 06:35 PM   #569
ItalianGuy
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Quote:
Originally Posted by etaktaf View Post
Set to begin January 1, 2013; Model year 2000 and newer vehicles will no longer require the tailpipe emissions test portion of the smog check process. AB 2289 will require late model vehicles be administered the smog check's visual and functional tests only.

Does anyone know if this law is in effect? If not, is there an ETA?

Thanks.
I talked to a guy who runs a test only shop and he said this starts Jan 1, 2014. Also, I just got smogged and they definitely did the tailpipe test.
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Old 07-22-2013, 01:59 PM   #570
Riz98
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Quote:
Originally Posted by Riz98 View Post
I will be moving to the San Diego area at the end of this year and will be keeping my Wisconsin plates and registration. Do I need to get smogged at all or will they be able to get me at the moving smog checks with out of state plates?
Anybody???
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Old 07-24-2013, 01:41 PM   #571
WagonMonster
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Quote:
Originally Posted by Riz98 View Post
Anybody???
You don't need to smog your car unless it's registered in California. That being said, unless you're in the Military, you will need to register your car here.
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Old 08-01-2013, 11:31 AM   #572
EPlascencia60
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Quote:
Originally Posted by ItalianGuy View Post
I talked to a guy who runs a test only shop and he said this starts Jan 1, 2014. Also, I just got smogged and they definitely did the tailpipe test.
Unfortunately this is not a for sure thing. It is claimed that it will happen at some point.
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Old 08-11-2013, 01:14 AM   #573
ItalianGuy
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Just had another great experience with Aloha Smog

I love those guys.
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Old 08-18-2013, 08:00 AM   #574
Thourbow
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Keep stock stuff, put stock stuff on, drive 50 miles, then smog it easy as pie.
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Old 08-19-2013, 08:07 PM   #575
honorcode3
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I will be moving to SoCal from TX in a year and have a few questions. I plan on only living there for 2 years, will I need to get inspected and registered as a California vehicle?

I see everyone on here saying that a carb certified downpipe is necessary to pass. Is this true and what other parts will be necessary? Aside from that, are there known shops that are more lenient than others (maybe the Aloha Smog listed above)?

My car is an 02 WRX with a 16g and supporting mods.

Thanks everyone and I can't wait to be on the Cali mountain roads!


edit: While I'm at it... do yall know if bikes have a different inspection code and have to meet different standards?

Last edited by honorcode3; 08-19-2013 at 09:26 PM.
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