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Old 03-05-2007, 03:23 PM   #3
FrayAdjacent
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Join Date: Dec 2006
Location: Austin, TX
Posts: 939
Quote:
Originally Posted by CJ_Boxster
I think in theory you have to replace either the before-cat o2's at the same time and if an after-cat sensor is going bad, then you have to replace both after-cat o2's at the same time.

My father orders them from world pac for me, the fronts are like $90's each and after cats are $70's each
That's not too bad. PP had them listed at about $160 each, for both pre and post cat O2 sensors.

Since I got a P1129 recently, but it hasn't come back... if it does come back, I might replace the 02 sensors...
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