Failed smog for the 3rd time
Are you getting a good burn? Hotter plugs, narrowing the gap, increasing spark, advancing timing, running higher octane gas, etc. just to get it through inspection.
I have always heard that an O2 sensor can fail, but will not always trip the CEL. From what I recall, if a failure occurs they are designed to make the engine run slightly richer instead of lean to protect the engine. A sudden drop in gas mileage is an indicator of this condition.
Has anyone else heard of this condition?
Has anyone else heard of this condition?
Is the cat ment to be broken in?? This new one I have had about 90 miles on it today before I failed and did worse than the old one overall... However it failed 15mph and passed 25 mph, just like before. I'm running the ngk v power plugs. Would you guys recommend bosch plugs? I'm also thinking of running "guaranteed to pass smog", the fuel additive. I have never used race fuel, I just run 91 octane. I'm out of ideas. So ANY help is appreciated. Thanx
So I guess an LS/VTEC is capable of passing smog. Except for the visual here in CA. Do they have visual in CT?
anyone?
I just checked my oil and it was below the low level indicator dot... wtf I had it at middle a month ago :noes: and I havent even been vtec-ing that much... Crap I hope I'm not burning that oil because of some bad seals... And to think about it, I never touched my piston rings the whole bottom end has 60k on it... Could the low level of oil affect emissions??
I just checked my oil and it was below the low level indicator dot... wtf I had it at middle a month ago :noes: and I havent even been vtec-ing that much... Crap I hope I'm not burning that oil because of some bad seals... And to think about it, I never touched my piston rings the whole bottom end has 60k on it... Could the low level of oil affect emissions??
Last edited by TheOtherDave™; Jan 11, 2007 at 11:30 PM.
I'm posting this for those in California who have a 94-95 OBD1 B18C1 DOHC Integra GSR motor. For owners of other B series motors, this can serve as a rough guide. OBD2 motors should be stricter. Smog shops or repair shops are not legally allowed or often refuse to tell you the numbers. If you have one of these motors and need to pass smog, here are the maximum numbers:
15 MPH: HC < 89 PPM / CO% < 0.53 / NO < 708 PPM
25 MPH: HC < 54 PPM / CO% < 0.51 / NO < 746 PPM
You can always get a smog pretest to see where you are at if you are afraid of being officially dinged as a polluter. Let me remind that a fresh or recharged air filter, properly gapped and good condition plugs, proper ignition timing, and a fresh oil change will decrease your emissions. Also make sure that the catalytic converter is nice and hot before you have a test.
Regarding the visual checks, ya'll on your own on that one.
15 MPH: HC < 89 PPM / CO% < 0.53 / NO < 708 PPM
25 MPH: HC < 54 PPM / CO% < 0.51 / NO < 746 PPM
You can always get a smog pretest to see where you are at if you are afraid of being officially dinged as a polluter. Let me remind that a fresh or recharged air filter, properly gapped and good condition plugs, proper ignition timing, and a fresh oil change will decrease your emissions. Also make sure that the catalytic converter is nice and hot before you have a test.
Regarding the visual checks, ya'll on your own on that one.
Hang on, was this intended a reply to some other thread?
h:
If so, I'd like to merge them. :run:
EDIT: A-ha... https://www.honda-acura.net/forums/s...d.php?t=259886
Sounds like a close-enough relation to me.
h:If so, I'd like to merge them. :run:
EDIT: A-ha... https://www.honda-acura.net/forums/s...d.php?t=259886
Sounds like a close-enough relation to me.
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Last edited by TheOtherDave™; Jan 13, 2007 at 10:14 PM.


