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-   -   3 O2 sensors fail at once? (http://986forum.com/forums/showthread.php?t=35234)

DFW02S 05-01-2012 08:07 PM

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.

thstone 05-01-2012 08:29 PM

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!

DFW02S 05-01-2012 09:10 PM

I agree with you, hence my qualifier, "apparently".

Burg Boxster 05-02-2012 04:52 AM

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?

DFW02S 05-02-2012 06:14 AM

Evidently they tested dead. There must be something else going on as you allude to.

AndyA6 05-02-2012 06:22 AM

I had both secondary sensors fail at the same time..... nobody knows why.....

doragman 05-02-2012 06:03 PM

I've had 3 go out -- but over a 5000 mile window -- do it your self - Rock Auto Bosch OE match < $100 each.

DFW02S 05-02-2012 07:57 PM

Quote:

Originally Posted by doragman (Post 288791)
.... -- 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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