Anyone know how to lower the percentage of CO on a F22A1 with just an intake and Apexi catback
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CO% For Emissions
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A cat back system will not effect emissions as far as I know. Is your intake C.A.R.B. exempt or 50 state legal? if it is then it shouldn't be a problem. I lived in California had DC headers, intake and a cat back and it was ok emissions wise.1991 Cappuccino Brown LX Coupe
2013 Rallye Red Civic EX Coupe
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co?
Depends on your other numbers, list everything.What makes me laugh about forums, is that no matter how much you try to help someone, they dont take the advice. Go ahead and do it the hard way.
You got to respect what you drive, and appreciate what you have, making the best of what you got. and if that means putting CAI, HID's, a phat stereo system, and a idiot in the drivers seat...then so be it!
Retro!
Hater
I love nooBs...They make me look good
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Originally posted by DjM_coupe View PostA cat back system will not effect emissions as far as I know. Is your intake C.A.R.B. exempt or 50 state legal? if it is then it shouldn't be a problem. I lived in California had DC headers, intake and a cat back and it was ok emissions wise.
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Co is fine tunned by o2 sensor, high c0 inndicates a faulty o2 sensor, even if no engine light o2 can still be out of range pull out you dvom and test it before you replace between C and D terminals on 02 is there 10-40 ohms?Last edited by 90blackcoupe; 05-30-2012, 03:10 PM.
1993 CB6 Coupe Seattle Silver YR-94M
Originally posted by Acclude4gens are win. It's in the bible somewhere.
Members Ride Thread
1993 Accord Coupe- Summer ride
http://www.cb7tuner.com/vbb/showthread.php?t=130064
1995 Civic Coupe - Winter/DD
http://www.cb7tuner.com/vbb/showthre...53#post2744953
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Originally posted by 90blackcoupe View PostCo is fine tunned by o2 sensor, high c0 inndicates a faulty o2 sensor, even if no engine light o2 can still be out of range pull out you dvom and test it before you replace between C and D terminals on 02 is there 10-40 ohms?
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Try this: http://www.amazon.com/CRC-05063-Guar.../dp/B000CIPUR8
It helped me pass CA emissions. Your car is likely running a little rich from collected fuel in the combustion chamber and this might clean up those spots. You can find it at any local auto parts store too. I left a review of the product on amazon and I highly recommend it.Knowledge is power...in EVERY sense of the word
FSAE (F Series Accord Enthusiasts) ..."A dying breed thats taking it to the next level" #12
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Originally posted by MRX View PostTry this: http://www.amazon.com/CRC-05063-Guar.../dp/B000CIPUR8
It helped me pass CA emissions. Your car is likely running a little rich from collected fuel in the combustion chamber and this might clean up those spots. You can find it at any local auto parts store too. I left a review of the product on amazon and I highly recommend it.
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before you replaced o2 did you test it? and what o2 did you replace it with ntk? denso? just don't say bosch.
what were the hc and nox numbers on that test?
1993 CB6 Coupe Seattle Silver YR-94M
Originally posted by Acclude4gens are win. It's in the bible somewhere.
Members Ride Thread
1993 Accord Coupe- Summer ride
http://www.cb7tuner.com/vbb/showthread.php?t=130064
1995 Civic Coupe - Winter/DD
http://www.cb7tuner.com/vbb/showthre...53#post2744953
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Originally posted by 90blackcoupe View Postbefore you replaced o2 did you test it? and what o2 did you replace it with ntk? denso? just don't say bosch.
what were the hc and nox numbers on that test?
1st report
15mph - 33 HC - Legal limit: 125
25mph - 49 - 136
15mph - 430 NO - Limit: 1636
25mph - 378 - 1591
2nd report
15mph - 43 HC - Limit: 125
25mph - 73 - 136
15mph - 461 NO - Limit: 1636
25mph - 385 - 1591
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Originally posted by dannyhsu View PostWhere do you put the liquid?Knowledge is power...in EVERY sense of the word
FSAE (F Series Accord Enthusiasts) ..."A dying breed thats taking it to the next level" #12
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Originally posted by MRX View PostGas tank. Just run it through a tank of gas. Then before you go do the test get the cats hot just as you did last time.
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the octane level could have an negative effect on HC and CO levels if the octane was too high for the system (i.e. running 93 octane in a bone stock accord...that includes i/h/e) and resulted in unburned a/f mixture getting through the engine. But 87 is what you should be using so you should be ok with that. Also, the level of gas should matter either unless the pump is sucking up air...which it shouldn't be even with a little less than a 1/4 tank of gas.Knowledge is power...in EVERY sense of the word
FSAE (F Series Accord Enthusiasts) ..."A dying breed thats taking it to the next level" #12
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