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#1
07-20-2004, 09:32 PM
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Failed 3rd smog test, need some help.
First off, my car is a 95 civic ex sedan, totally stock. I just need some input on what to look for as the problem. First test I replaced the cat, second was O2 sensor, 3rd test pcv valv, spark plugs, air filter and oil.
Ran the car hard for 20 minutes before the test as well. Here are my results for the last test: HC (PPM) 15 mph = max 92 meas 141 25 mph = max 57 meas 125 CO (%) 15 mph = max 0.55 meas 1.31 25 mph = max 0.54 meas 1.45 NO (PPM) 15 mph = max 716 meas 1055 25 mph = max 764 meas 639 Thanks in advanced and sorry if this is not the right place to post.
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Last edited by tangina337; 07-20-2004 at 10:17 PM. 
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#2
07-21-2004, 12:40 PM
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Wow, those numbers are really off. If you've replaced the cat, o2 sensor, and plugs, there's not much left. But looking at those numbers, the hydrocarbons, or unburnt fuel, might be caused by something wrong in the EGR system (valve or solenoid). If it's not re-burning the gas then that might cause a jump in the numbers.
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#3
07-21-2004, 02:39 PM
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Re: Failed 3rd smog test, need some help.
Ditto here - seems to me like you've covered pretty much all the bases.
CA smog laws are a bitch, aren't they? I lived in Monterey for 2 years but I got off easy because I bought my car there brand new so it was good. Now I hear a bunch of other states (NY included) are going to the same standards. Inspections in NY are going to be a bitch next year - CA emissions, no more than 10% window tint, and full ECU diagnostics. That's the rumor anyway. Oh well, sorry to get off-topic. Just wanted to say that I feel your pain and I wish you luck.
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Silver 1997 Civic EX Coupe
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#4
07-22-2004, 05:12 AM
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Re: Failed 3rd smog test, need some help.
Thanks for the input and yeah ca smog regulations are a PITA. I think I'm gonna try to use sea foam and hopefully it cleans out the carbon build up.
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#5
07-22-2004, 05:43 AM
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Re: Failed 3rd smog test, need some help.
Bah! can't edit my own post?
Anyways, from what I can see there's no egr valve? If mistaken, I can't find it anywhere lol.
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#6
07-22-2004, 04:06 PM
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dont tell me that New York is going to get strict smog test laws like cali? this is gonna suck ass!!!! damn environmentalist people!
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www.MEDIUMRACING.com 
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#7
07-22-2004, 11:14 PM
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i feel bad for all you guys, ohio has one of the lowest regulations in the country, maybe the lowest. about all you need here is a cat. plus theres lots of dragstrips around here, so if you look like youre headed there, they dont care even if you dont have a cat. no way i could live somewhere that is that uptight about emissions
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We're all living in Amerika Amerika ist wunderbar "So where'd you get the beauty scar, tough guy? Eatin' pineapple?" / "How ya getta scar like that from eatin' pineapple, man?" -Scarface, TV Version 1986 Mustang GT, Black, T-Tops, Very tired 5.0
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#8
07-23-2004, 10:10 AM
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Re: Failed 3rd smog test, need some help.
New York used to be awesome. Now tint is about to be illegal, emissions tests are going to be harder, and they let police from PA and NJ chase you across the state line. What a bunch of bullshit. It's also fucking gay that you can't smoke in bars, but I won't even get started on that one. We're just turning into the east coast version of California.
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Silver 1997 Civic EX Coupe
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