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Old 09-03-2002, 03:56 AM   #4
kdawg
Scooby Newbie
 
Member#: 16606
Join Date: Mar 2002
Location: Fremont, CA
Vehicle:
2002 Honda S2000
Silver

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Apparently, if the cats are working properly, the O2 sensor will cause a certain amount of voltage change (probably is a drop). When the ECU is seeing this voltage change, it thinks that the cats are doing their job. I think the fix has a resistor and a non-linear circuit part (like inductor or capacitor) in series or parallel (not sure). This small circuit cause the correct amount of voltage change.

I hope this is right.
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