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Old 01-31-2006, 12:31 PM   #1
fmowry
Scooby Specialist
 
Member#: 54604
Join Date: Feb 2004
Chapter/Region: MAIC
Location: Severn, MD
Vehicle:
2004 FXT
Cayenne Red (sold)

Default Code 0031 and testing the front O2

I've got that code after doing some work on the uppipe/headers. Is there any way to test the sensor before I plunk down $160 for a replacement?

I tested the continuity of the blue and white wire with a voltmeter at the plug and at the sensor itself by strippng away a very small bit of wiring shielding in the hopes that one of the wires is broken somewhere in between but things seem fine. Does that mean I'm pretty much screwed and need to replace it?

I reset the codes with the AP but it only takes starting the car to pop them back up again. Nothing was touched at the plug side of the sensor but of course I had to remove the sensor when I pulled the exhaust manny attached to the uppipe.

Thanks,
Frank
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