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o2 sensor

  1. CM (2007-2012) Santa Fe
    Hello. I have a 2010/2011 3.5 V6 AWD Santa Fe. It has 50.000 miles on it. I'd really appreciate if you guys would help me figure this one out. Once this is solved, I'll post the solution here. The car stalled as I got off the freeway at about 20 MPH. It was running seemingly fine, even though...
  2. MD (2011-2016) Elantra sedan/coupe
    I was under the car couple of weeks ago and looking at the downstream O2. It looks like the harness might actually go into the interior of the cabin? is that true? How hard is to access the harness? is it under the passenger side seat?. I need to change out the downstream O2. Any diagram...
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