Honda CR-V & Element 2WD & 4WD Element & CR-V

Dummy o2 sensor

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Old Mar 3, 2013 | 09:00 AM
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robbyptown's Avatar
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Default Dummy o2 sensor

I need to do a dummy o2 sensor for my 99. It's throwing the code for the cat so I just want to bypass it or take a smaller sample reading.... I can't find one online, any suggestions?

Last edited by robbyptown; Mar 3, 2013 at 06:22 PM.
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Old Mar 3, 2013 | 10:52 AM
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Default Re: Dummy o2 sensor

i tried making a voltage divider before with no success. i converted to obd1 and removed all the 02 sensors.
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Old Mar 3, 2013 | 12:17 PM
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Default Re: Dummy o2 sensor

Yeah icdont want to have to do all that, I'm just trying to avoid buying anew cat
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Old Mar 3, 2013 | 01:49 PM
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Default Re: Dummy o2 sensor

convert to obd1 if there are no emissions in your area. all you need is a odb1 ecu thats chipped with a b20 basemap and a odb2->odb1 conversion harness.
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Old Mar 3, 2013 | 05:14 PM
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Default Re: Dummy o2 sensor

You have a cat code or an O2 code? If its a cat code google "spark plug defouler"
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Old Mar 3, 2013 | 06:16 PM
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Default Re: Dummy o2 sensor

Originally Posted by LDForget
convert to obd1 if there are no emissions in your area. all you need is a odb1 ecu thats chipped with a b20 basemap and a odb2->odb1 conversion harness.
What are the benefits, and how much will that cost?
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Old Mar 3, 2013 | 06:18 PM
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Default Re: Dummy o2 sensor

Yep, defouler. I have one on mine even though I dont need it. Its basically a spacer for your secondary o2.
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Old Mar 3, 2013 | 06:20 PM
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Default Re: Dummy o2 sensor

Originally Posted by HondaPartsHero
You have a cat code or an O2 code? If its a cat code google "spark plug defouler"
The guy I bought it from said it was an o2 sensor, and then my buddy who is a Honda tech checked it and it said cat, but he was the one who told me to find a dummy sensor..

And definitely no emissions here in metro Detroit. Anything goes haha
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Old Mar 4, 2013 | 06:03 AM
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Default Re: Dummy o2 sensor

Spark plug non fouler trick, its not an electrical dummy its a spacer for the o2 sensor from the cat so it only reads an X amount just enough to fool the ECU. Im on my phome right now so i cant find it as quick but its on an RSX forum if not an Evo forum go google the DIY, it worked wonders for my Civic, went through 3 o2 sensors before i figured out the trick and gutted my cat, no CEL since.
Edit: poisnus.com/files/Spark%20Plug%20Non%20Fouler%20Mil%20Elims/mil%20elims%20spark%20plug%20fowlers.htm
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Old Mar 4, 2013 | 05:15 PM
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Default Re: Dummy o2 sensor

Can vouche for this, it works!
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