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Old 11-03-2014, 06:30 AM   #6
Topless
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Join Date: Nov 2006
Location: Southern ID
Posts: 3,701
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The Acton pocket reader is my preferred diagnostic tool. Only the info I can use and nothing beyond my backyard wrench status that will cause me to overthink a problem and change a bunch of unnecessary parts. It is always in my car.

That said, I think it is unlikely that a bad O2 sensor is causing your code. You can pull it and do a visual inspection but P0430 usually means a weak/failing/sooted cat. If the sensor is failing you will usually get an "aging sensor" code instead.

Good luck!
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