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p0420 update....

Discussion in 'Performance and Tuning' started by ETaco23, Apr 30, 2010.

  1. Apr 30, 2010 at 1:37 PM
    #1
    ETaco23

    ETaco23 [OP] Marshall offroad Fabrication

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    Color Match Grille, Bed mat, Bed Extender, OME lift and 285 BFG KO2, Spidertrax spacers, Snugtop Canopy, and my "Marshall Fabrication" Rock Sliders.
    Well so far I have replaced both my o2 sensors today. And they both were shot, black as hell, and the rear even had some fuel on it. So Im hoping that this will keep the CEL off! But If the code comes up again, and both sensor are still good, I am def. going to put my URD o2 sim. in. I freakin hate this damn code!!!!

    Im about to clean my TB, and do another drain and fill with M1 ATF synthetic. I will then have about 1/2 of my fluid synthetic. And then clean her up and put my URD sticker on my rear window. :D

    I will def. get some new pics, I also took my rear flaps off a couple weeks back, lovin the look!
     
  2. Apr 30, 2010 at 3:17 PM
    #2
    ETaco23

    ETaco23 [OP] Marshall offroad Fabrication

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    New Pics! with no rear flaps and new URD sticker! :)

    [​IMG]

    [​IMG]



    [​IMG]

    In the last pic you can barely see one of dogs...
     
  3. Apr 30, 2010 at 3:37 PM
    #3
    adktacoma

    adktacoma Well-Known Member

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    damn, I thought this thread was gonna be about weed.
     
  4. Apr 30, 2010 at 4:01 PM
    #4
    ETaco23

    ETaco23 [OP] Marshall offroad Fabrication

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    Haha.... :laugh:
     
  5. Apr 30, 2010 at 6:53 PM
    #5
    ETaco23

    ETaco23 [OP] Marshall offroad Fabrication

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    I got a quick question! If the P0420 code does come back, I hope it doesnt! But if so, and my o2 sensor's are still good, Can I run the o2 sim. with both cats, even though there probably not performing at 100%?

    Oh, and I've been running rich, could this be caused by the the sensor's failing, or a bad cat? thanks!
     
  6. Apr 30, 2010 at 6:55 PM
    #6
    98tacoma27

    98tacoma27 :POOPCORN: Staff Member

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    Yes and Yes
     
  7. Apr 30, 2010 at 6:55 PM
    #7
    ETaco23

    ETaco23 [OP] Marshall offroad Fabrication

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    And also, will the o2 Sim. correct my Rich condition, or not?

    Sorry for all questions.... :) I really hate this crap!
     
  8. Apr 30, 2010 at 6:56 PM
    #8
    tacomaman06

    tacomaman06 Carolina Alliance: Lead, follow, or get the hell o Staff Member

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    you run too rich for too long.....say bye bye to the cat. it can eat it up.
     
  9. Apr 30, 2010 at 6:56 PM
    #9
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    Correct. ZThe O2 sim wont help.
     
  10. Apr 30, 2010 at 7:45 PM
    #10
    ETaco23

    ETaco23 [OP] Marshall offroad Fabrication

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    huh... Well It hasnt been that long maybe a couple weeks, but I havent drivin alot. So By fixing the o2 sensors, would it fix my running rich problem? Or would it be a faulty cat?

    Thanks for the help!
     
  11. Apr 30, 2010 at 7:53 PM
    #11
    98tacoma27

    98tacoma27 :POOPCORN: Staff Member

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    The running rich would come from a bad ( or going bad) AFR, which is the front "O2"
     
  12. Apr 30, 2010 at 7:57 PM
    #12
    ETaco23

    ETaco23 [OP] Marshall offroad Fabrication

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    K, thanks! Both my sensor's were shot, they were very black! So I hope this fixes my problems!
     
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