Honda/Acura Tech Honda tech discussion.

What causes a O2 sensor to go bad???

Old Nov 19, 2003 | 11:47 AM
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let me reiterate what i said

o2 goes bad from extensive use or bad a/f mixtures

obviously the o2 is reading the a/f as it is sending a signal to the ecu saying the mixture is ______. The ecu is compensating then causing a lean or rich condition.

therefore by replacing the o2 you are skipping the source of the problem

that link is saying the same thing me and mtber said so I dont know why that link has anything to do with being stupid

stop arguing with people that are trying to help you

if you wanna be stubborn about it then just keep replacing your o2 sensor every 2 months
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Old Nov 19, 2003 | 02:09 PM
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Im having the same problem with the bogging around 2 grand to 4 grand because im running rich, but i havent replaced the O2 sensor yet cuz of money. Everywhere wants like 200$ and now i guess it might not help cuz of Spencer's problem. Im not throwing any code. Check engine light doesnt come on. I dont know what to do? Damn Hondas'
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Old Nov 19, 2003 | 03:06 PM
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get an AFC and dyno tune it
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Old Nov 19, 2003 | 04:19 PM
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I got a safc but still not hooked up yet, still need to dyno it but saving for different cams and waiting for new ecu.
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Old Nov 19, 2003 | 07:28 PM
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Originally posted by Spence
Hey i dont feel that you can judge my intellegence man i dont feel like you could know everything about a honda or a car in general if i am a moron then these guys on honda tech are also here is a link http://www.honda-tech.com/zerothread?id=681880


If the o2 is not bad then why when i replaced it the problem went away???

You asked for help, I gave you an answer.
Anyone would probably tell you to do what I told you to do...
Check and see if you're 02 is actually bad before you assume that is the issue. Buy a manual & read it... in the back there is something called an index, find the 02 sensor section & read up on how to test an 02 sensor.

Why am I telling you to test you're 02 ?
Becuase you're ecu is not seeing a dead 02 sensor hence I do not believe you're 02 sensor is bad, you probably have another problem.
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