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ho2s

  1. C

    O2 Sensor Problem

    Hey guys I have a tricky one for you. I am pulling 2 DTC from my 2002 XLT 4.6 (P0042 & P7A00) using a Hypertech controller. P0042 - HO2S Heater Control Circuit (Bank 1 Sensor 3) I thought there were only 2 sensors per bank on these explorers. I havent had a chance to poke around yet but I...
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