3 O2 sensors fail at once?

[AndyA6]

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

[doragman]

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

[DFW02S]

Originally Posted by doragman

.... -- 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.