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  1. joe code ps0031 oxygen sensor

    The Garage
    yes it goes out and stays off once i reset the PCM......if i dont reset it ......then in the afternoon it goes off by it self......then the next day it comes back on.....
  2. joe code ps0031 oxygen sensor

    The Garage
    i have a jeep 2003 grand cherokee has a oxygen sensor sensor 1 bank 1 code have replaced the sensor with a OEM jeep sensor and PMC and still the light on it is a 4.0 6 cylinder
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