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P0037: Heated oxygen sensor, heater control circuit low(B1S2) S60 2002

posted by  ahunter on  Thu Apr 24 08:53 CST 2008
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last visit: Wed Jun 30 03:23 CST 2010
[RELATED]

I have owned an 02 S60 for about a year now. I'm used to working on the 89 740 that I had before, so I'm not so used to these new OBD systems. Given a P0037 error code, in what order should I check things to see if it's an O2 sensor and whether it is the front or back. What else could be wrong?

And leads on cheap Bosch sensors are greatly appreciated.

-Andrew
--
1989 744 181k








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    P0037: Heated oxygen sensor, heater control circuit low(B1S2) S60 2002

    posted by  KlausC on  Thu Apr 24 17:15 CST 2008
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    last visit: Fri Oct 24 10:15 CST 2014
    [RELATED]

    It is the front sensor, the only one that is heated. Someone on Volvospeed.com suggested cleaning the cavity of the O2 sensor, it worked for 2 of the guys over there.
    What they did was remove the sensor, heated the cavity with a torch, and then sprayed it after it cooled with degreaser, several times. Perhaps someone over there will guide you to the write up.
    Or, just replace the O2 sensor.

    Klaus
    --
    The 164 has a new home, all I am left with are a 95 854T and a 98 V70R :)








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      P0037: Heated oxygen sensor, heater control circuit low(B1S2) S60 2002

      posted by  ahunter on  Fri Apr 25 06:18 CST 2008
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      last visit: Wed Jun 30 03:23 CST 2010
      [RELATED]

      Any idea what the part number is on the front sensor? I have seen prices ranging from $75 to over $300, and I don't really trust that they are offering up the same part. The local parts store has it for $180 with the wiring harness, so that seems reasonable, but I'll take the $75 one if all I have to do is solder a few wires into place.
      --
      1989 744 181k








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        P0037: Heated oxygen sensor, heater control circuit low(B1S2) S60 2002

        posted by  KlausC on  Fri Apr 25 06:51 CST 2008
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        last visit: Fri Oct 24 10:15 CST 2014
        [RELATED]

        AutohausAZ.com has OEM for around $180. Cheaper is not always better in my book. You do not want to crimp/solder wires hoping that it will last.

        Klaus
        --
        The 164 has a new home, all I am left with are a 95 854T and a 98 V70R :)







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