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Discussion Starter · #1 ·
2016 SHO 3.5 ecoboost Getting a p0138 which turns up bad o2 sensor in google: bank 1, sensor 2. Haven't been able to verify. Wondering if anyone has gotten this and how to determine which sensor this corresponds too.
 

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Discussion Starter · #3 ·
View attachment 218138

This is a similar mockup to the SHO - less the turbos - but the same idea.
Thanks for that diagram! you wouldnt happen to know part numbers, or where i can find part numbers for each sensor would you? Im surprised a google search for bank 1 sensor 2 for ford taurus SHO would not yield any helpful results. I called a local autozone and they didn't seem to know anything.
 

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Looks like an NTK or Denso OEM - Downstream Sensor part # NTK 22139 or Denso 2344491

Be sure to confirm the wires match before purchasing - I can't tell you how many times I have bought almost correct parts.
 

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You can also go to Rockauto and look up the part for your car (and use our discount code in case you decide to buy).

Edit: and in the terminology of the catalogue you need a "downstream right" sensor. The "right" side of the engine is cylinders 1-3.
 
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