Faking an O2 sensor

[Carl Summers]

Seems to me I've seen the after cat O2's looking around
650-700mv......anybody been watching one with a scanner???
-Carl Summers




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-----Original Message-----
From: owner-diy_efi at diy-efi.org [mailto:owner-diy_efi at diy-efi.org]On
Behalf Of Peter Gargano
Sent: Sunday, April 16, 2000 2:56 AM
To: diy_efi at diy-efi.org
Subject: Re: Faking an O2 sensor


So, what do those US$90 boxes do? Anyone scoped them?

Scott Croughwell wrote:
>
> The "downstream" EGO sensors on OBD-II cars are easy to fake out if you
> remove the cats.  Just leave the downstream EGO's dangling in open air.
> Voila!
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