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3 O2 sensors fail at once?
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05-02-2012, 05:52 AM
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Burg Boxster
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Join Date: Nov 2006
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Posts: 1,724
It's not likely two would go at same time... let alone three
unless a bigger issue of major fouling is going on to ruin/coat them w/ something.
Did you use a multimeter to individually test?
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