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  1. M

    O2 Sensor Heater

    Does anyone know if there is a fuse that controls the O2 sensor heaters on a 2011 3.8 L Jeep Wrangler JK. When I use the scanner, it said that all four O2 sensor heaters are the issue and I had just replaced all four O2 sensors less than a month ago.
  2. M

    2011 JK error code

    I have a 2011 JK that has thrown 4 codes, P0031, P0037,P0051, P0057, which is all the O2 sensors and those have all been changed at the same time and as lei type as 6 months ago. I have checked everything that I can think of and can’t find any reason why it would error all 4 sensors at the same...