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Old 05-01-2012, 08:07 PM   #1
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3 O2 sensors fail at once?

Have you ever heard of that?
It apparently happened to my car.

To be clear, it was both pre-cats and one secondary.


Last edited by DFW02S; 05-01-2012 at 08:10 PM.
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Old 05-01-2012, 08:29 PM   #2
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My initial reaction is: possible but not probable.

And I don't mean to cast any doubt on the veracity of your statement, simply that those are some pretty long odds!
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Old 05-01-2012, 09:10 PM   #3
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I agree with you, hence my qualifier, "apparently".
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Old 05-02-2012, 04:52 AM   #4
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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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Old 05-02-2012, 06:14 AM   #5
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Evidently they tested dead. There must be something else going on as you allude to.
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Old 05-02-2012, 06:22 AM   #6
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I had both secondary sensors fail at the same time..... nobody knows why.....
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Old 05-02-2012, 06:03 PM   #7
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Garage
I've had 3 go out -- but over a 5000 mile window -- do it your self - Rock Auto Bosch OE match < $100 each.
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Old 05-02-2012, 07:57 PM   #8
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Quote:
Originally Posted by doragman View Post
.... -- do it your self - Rock Auto Bosch OE match < $100 each.
Dang!
1 day too late.
$170 at Pelican, the local dealer wanted 259 each.

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