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P0037 Error code

Discussion in '1st Gen. Tacomas (1995-2004)' started by sgramakota, May 23, 2017.

  1. May 23, 2017 at 9:37 AM
    #1
    sgramakota

    sgramakota [OP] Member

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    Hello all,
    I was hoping to tap into some of your 2004 Taco knowledge. I currently have a check engine light that produced the P0037 error code (O2 sensor bank 1 sensor 2). This O2 sensor was found dangling and had come off of both bolts. It has been put back in place but I'm guessing the sensor is bad and needs to be replaced.
    So in short I'm looking for some info on best place to get a new sensor and replacement technique or tricks.
    Thanks
    Stefan
     
    Last edited: May 23, 2017
  2. May 24, 2017 at 1:16 AM
    #2
    mechanicjon

    mechanicjon They call me "Jonny Stubs"

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    OEM is the best. I've never had to change one. So someone else will have to chime in on what brand and were they purchased it. Do you have a way to read and clear the codes?
     
  3. May 24, 2017 at 1:31 AM
    #3
    koditten

    koditten Well-Known Member

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    Rock Auto has OEM (Denso). I think I paid $26 a couple years ago.
     
    nDub likes this.
  4. May 24, 2017 at 12:58 PM
    #4
    jra

    jra Active Member

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    Because it fell out doesn't mean it's bad, I had a gasket on one of mine start leaking exhaust and turn the cel light on I replaced the gasket and put it back in and it still worked, had a hard time getting the two nuts off the studs that held it in though.
     
  5. May 24, 2017 at 4:38 PM
    #5
    sgramakota

    sgramakota [OP] Member

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    Thanks for the reply. I do have a way to read and clear the code.
     
  6. May 24, 2017 at 4:39 PM
    #6
    sgramakota

    sgramakota [OP] Member

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    Awesome. Thanks for the reply
     
  7. May 24, 2017 at 4:40 PM
    #7
    nDub

    nDub Kan kun være malet af en gal mand

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  8. May 24, 2017 at 4:41 PM
    #8
    sgramakota

    sgramakota [OP] Member

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    It has been put back in with a new gasket and still have the check engine light on with the same error code as before. All signs pointing towards the O2 sensor.
     
    wilcam47 likes this.
  9. May 24, 2017 at 4:41 PM
    #9
    sgramakota

    sgramakota [OP] Member

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    Great. Thanks
     
    nDub[QUOTED] likes this.
  10. May 31, 2017 at 7:38 AM
    #10
    sgramakota

    sgramakota [OP] Member

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    Thank you all for your input. I finally had time to replace the O2 sensor. I purchased the Denso O2 sensor and the installation went very smooth. The "Check engine" light is no longer lit and has been off for past 2 days.
     
    mechanicjon, Dalandser and wilcam47 like this.

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