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error code

  1. reaper

    p0138 and p0140 error codes

    I'm getting these 2 error codes: p0138 and p0140-- no activity from the sensor. Googled it and something about an o2 sensor popped up-- this shows up when there's just constant voltage on the o2 sensor. Easy fix or dealer trip? I haven't had any spare time to diagnose further...
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