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Originally Posted by jaykay
Hmmm....sound is subjective (an unplanned illiteration) I see!
The O2 sensors on your model should be right in the headers which incorporate the primary cats. The secondary ones are not monitored so there should be no problem.
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The secondary sensors are not monitored? If this is true then why are they there for 1? and why have I seen multiple times on here that when you go to replace a bad O2 sensor to replace all 4 at the same time?
Is this true on my 00 S? or?? Can someone explain please?
Thanks