[NitrousG35]

Originally Posted by BV1

Good post, accurrate info.

Back in the day... we used to leave our secondary O2 sensors outside of the exhaust flow, with a cap over the end. As in, sitting in the engine bay with easy access.

NO CEL, seemed to work fine.

Another option was to make a secondary O2 sensor simulator, we had to make our own but now you can buy them. A quick google search pulled up the below:

Defcon Products : Oxygen Sensor Simulators

-Steve

Let's just hope the EPA does not get wind of this. Casper's Electronics was beach slapped big time for selling a similar device. Casper's Electronics, Inc. | Civil Enforcement | Compliance and Enforcement | US EPA