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Can anyone tell me what these wires are for?

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Old May 16, 2023 | 12:08 AM
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Originally Posted by HeyYou
Yep, bank one sensor 2. That's the post cat sensor.
Okay thank you. That one doesn’t effect how the truck runs does it? Won’t effect fuel economy or anything? Just tells you if you’re cat is working or not right
 
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Old May 16, 2023 | 10:44 AM
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It might have a very minor effect on fueling, but, should really do much to mileage.
 
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