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Old 07-15-2007, 04:09 PM   #6
RickMN
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Join Date: Feb 2007
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Re: Code keeps coming up...

You will need a digital voltmeter to read the voltage off the sensor. The post cat sensor should be reading less than 450 millivolts and switching very slowly. Here's an in-depth article on O2 sensors if you need more information. http://free-auto-repair-advice.blogs...what-they.html
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