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o2 Sensor Replacement

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Recently started getting an SES/CEL on my dash, read the codes with my AP and it appears that my o2 Sensors (Pre & Post Cats) are dying. Naturally the STFTs & AFR are out of whack because it's not reading correctly, so I need to replace them. Does anyone have an "in" or know where I can buy replacement o2 sensors at a fair price??

I've seen some eBay listings (#1 and #2) and a website called Oxygen Sensor World, but am not sure if they're legit or reliable sources.


ANY help is greatly appreciated, just trying to avoid $180 per sensor when I need 4 new ones.

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