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CEL On

Discussion in '1st Gen. Tacomas (1995-2004)' started by ttran, Feb 26, 2011.

  1. Feb 26, 2011 at 7:37 PM
    #1
    ttran

    ttran [OP] Expert Mallcrawler

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    Tim
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    Got it scanned at autozone today and came up with the code PO136 Heated oxygen sensor - bank 1 sensor 2 circuit fault. I did some searching and saw that it's the downstream o2 sensor but autozone said it was the upstream air fuel ratio sensor. They suggested me to get the Denso 234-9001 sensor. I'm at a lost right now, dunno what to get. My gas mileage has gone to crap
     
  2. Feb 26, 2011 at 7:52 PM
    #2
    tacomaman06

    tacomaman06 Carolina Alliance: Enforcer

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    Will
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    getting there....
    The 2nd sensor just reads the cat. converter health. That said though....its good to replace both sensors at once when you do it. You can get both o2 sensors from rockauto.com for what you'll pay for 1 at the dealer.
     
  3. Feb 27, 2011 at 5:14 AM
    #3
    ttran

    ttran [OP] Expert Mallcrawler

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    I'm at work right now and won't have access to a computer till tonight (borrowing a friend's phone) can you link me to both the sensors off of rock auto? thanks!
     
  4. Feb 27, 2011 at 5:23 AM
    #4
    tacomaman06

    tacomaman06 Carolina Alliance: Enforcer

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    getting there....
  5. Feb 27, 2011 at 7:12 AM
    #5
    bivey

    bivey Well-Known Member

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    I just ordered2 of mine from amazon for the price the dealership wanted for one.
     
  6. Feb 27, 2011 at 6:03 PM
    #6
    ttran

    ttran [OP] Expert Mallcrawler

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    Thanks will! Just placed my order for both the sensors. Truck is almost complete!
    :yay:
     
  7. Feb 27, 2011 at 6:28 PM
    #7
    tacomaman06

    tacomaman06 Carolina Alliance: Enforcer

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    getting there....
    Nice!
    BTW........check the southeast forum......upcoming mod day. Try to make it.
     
  8. Feb 27, 2011 at 7:23 PM
    #8
    ttran

    ttran [OP] Expert Mallcrawler

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    Will do! We'll see if i can find an excuse to buy something to for the truck to have something to do that day haha. The mom isn't too happy about my new money pit
     
  9. Feb 27, 2011 at 7:35 PM
    #9
    tacomaman06

    tacomaman06 Carolina Alliance: Enforcer

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    getting there....
    you got a first gen...4x4.....you got a badass truck man. nothin better...especially to mod on!:D
     
  10. Feb 27, 2011 at 7:38 PM
    #10
    ttran

    ttran [OP] Expert Mallcrawler

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    Took me ages to save up for it... Proud to say I paid for everything on it, unlike all the other kids I know around here haha
     
  11. Feb 27, 2011 at 7:40 PM
    #11
    tacomaman06

    tacomaman06 Carolina Alliance: Enforcer

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    getting there....
    thats awesome man!!
     
  12. Mar 2, 2011 at 1:57 PM
    #12
    ttran

    ttran [OP] Expert Mallcrawler

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    Sprayed some pb blaster on the sensors today to get them prepped for removal and turned the truck on like two hours later and the check engine light turned off. Weird? Hahaha i guess the sensors were dirty, idk
     
  13. Mar 2, 2011 at 2:13 PM
    #13
    tacomaman06

    tacomaman06 Carolina Alliance: Enforcer

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    getting there....
    they'll come back on...especially if the computer aint agreeing with them. pb blaster isnt a cleaner....its a lubricant, so it could mess the cat up........if you use alot of it.
     
  14. Mar 2, 2011 at 5:26 PM
    #14
    ttran

    ttran [OP] Expert Mallcrawler

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    ah okay, well I'm prepared. I have both new ones sitting on my desk :D
     
  15. Mar 2, 2011 at 6:09 PM
    #15
    tacomaman06

    tacomaman06 Carolina Alliance: Enforcer

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    getting there....
    If ya need help......bring it down here. I'll be here all day Saturday.
     
  16. Mar 2, 2011 at 6:44 PM
    #16
    ttran

    ttran [OP] Expert Mallcrawler

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    sounds good! I appreciate the help dude
     
  17. Mar 2, 2011 at 7:20 PM
    #17
    tacomaman06

    tacomaman06 Carolina Alliance: Enforcer

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    getting there....
    cool....just lemme know. pm me for my addy.
     
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