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Subject:Re: O2 Sensor wire connection (wiring harness end - 2.1)
From:David Beierl
Date:Fri, 11 Sep 2009 00:25:56 -0400

At 12:19 AM 9/11/2009, Scott Daniel  - Turbovans wrote:
>I have it powered off the fuel pump relay output.

That might actually be best, that way it wouldn't run with the key on
but engine stopped.  No harm to the sensor either way, and supposedly
they heat up fast.