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o2

  1. 1

    2003 Explorer 4.6L oxygen sensor circuit problems

    I recently picked up this 03 Explorer with the 4.6L in it, the odometer says roughly 198k. I bought it pretty cheap so I've been fixing things and sorting out the bugs. Up until now the fixing has all been mechanical, bearing assy's, upper control arms, latches, hinges, etc. Here's the deal...
  2. B

    OEM O2 Sensors | Heated... yes... no?

    On a 2000 Explorer 4.0L SOHC VIN E engine, are the OEM O2 sensors… heated… or unheated… which one? Please advise. Thanks!
  3. S

    P013a - Downstream o2 sensor

    Hi guys, My check engine light is on and it says I have a problem with the O2 sensor. Does anyone know where the sensor is? Specifically the downstream one. Or any other things to look at? Thanks! P013A O2 Sensor Slow Response - Rich to Lean (Bank 1 Sensor 2)
  4. 2

    O2 Sensor Voltages

    Anyone here familiar with “normal” voltages for O2 sensors? Two of my sensors appear to be functioning correctly and are on opposite voltages. I’ve read before that it should be that way. However, the third sensor on bank 2/3 stays steady around .790 volts. Any idea if that’s bad? I appreciate...
  5. C

    97 Problem child.

    So i have a 97 Eb 5.0 its been dubbed "Problem child" Dropped the trans pan today for a filter change and to my surprise its the first time it's been dropped since factory. 287k miles! and the inside of the trans wasn't even bad. No shaving! Anyways I'm hoping that part goes well. On to the...
  6. O2 Sensor

    O2 Sensor

    Silicone Poisoning
  7. O2 Access Panel

    O2 Access Panel

    O2 access panel through floor
  8. O2 Sensor Removal

    O2 Sensor Removal

    O2 sensor removal with O2 socket 3/8" knuckle and extension
  9. O2 Harness Connections

    O2 Harness Connections

    O2 sensor harness connections on '96 5.0
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