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ok, new info.



got smart and went to the local ac delco distributor.  looked up the O2 sensor for that model truck.


pulls it out, it looks nothing like the ones that are in my setup.


picked up 1, just to test it out and see if it'll do the trick.



swapped the drivers side out, and now instead of reading 450mv all the time, its reading like 10-15mv on the scanner.


I think I should get another one and swap it into the passenger side, and see if the computer will go closed loop and start adjusting the fueling based on the o2's.


is the 10-15mv a good reading?


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