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    P0052 - 5.7 - heater circuit high - new sensors

    I'm trying to figure out why I keep getting the P0052 HO2S Heater Circuit High (Bank 2, Sensor 1) I replaced both bank 2 sensors with NGK/NGT replacements. I was getting circuit high for both but now only sensor 1 is giving the code. I cleaned all grounds under the hood. I ohmed out the...
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