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may have to replace my catalytic converter soon.....

Discussion in '1st Gen. Tacomas (1995-2004)' started by tacomaman06, Dec 17, 2009.

  1. Dec 17, 2009 at 3:02 PM
    #1
    tacomaman06

    tacomaman06 [OP] Carolina Alliance: Enforcer

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    Will
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    getting there....
    well....check engine light went off a couple months ago....replaced my upstream o2 sensor....fixed the light, and all was good. here lately....truck is fine the first lil while i drive it after i crank it....but when it gets warmed up...the acceleration is sluggish as shit. plus...my gas mileage has gone down a bit.........but i cant really go off of that, cause of the winter blend fuel.......but last 2 tanks i have ran 93 octane. it seems as when i crank truck up first thing and go......its fine until it warms up. hopefully...not the cat...but not quite sure.


    by chance.....anyone have their stock exhaust/stock catalytic converter off a first gen 3.4 v6??
     
  2. Dec 17, 2009 at 4:53 PM
    #2
    MowTaco

    MowTaco Well-Known Member

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    Just dump it straight out of the manifold (or headers, if so equipped).
    J/K
    Actually, I was just watching something where the lifted Tacomas and 4Runners are the most targeted trucks for catalytic converter theft. Has anyone heard anything of this? Anyway, you'd surely be able to find one on the black market for cheap...
     
  3. Dec 17, 2009 at 5:04 PM
    #3
    mixaro

    mixaro Well-Known Member

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    ha ha i heard that too! sounds like it may be your cat but what kind of o2 sensor did you put on, cause i know that if it's not a denso or an oem one which i think is denso, it will do similiar things.
     
  4. Dec 17, 2009 at 6:35 PM
    #4
    tacomaman06

    tacomaman06 [OP] Carolina Alliance: Enforcer

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    getting there....
    i went with an oem o2 sensor......i always stick with oem parts for stuff like that.
     
  5. Dec 17, 2009 at 6:47 PM
    #5
    Huntr Pat

    Huntr Pat Well-Known Member

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    I just made 200.000 on my 98. And just found out I need a new Cat also. Now I gotta find the right price for one?
     
  6. Dec 17, 2009 at 6:50 PM
    #6
    tacomaman06

    tacomaman06 [OP] Carolina Alliance: Enforcer

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    getting there....
    may wanna do as i plan on doing.........im gonna take the cat off and gut it and put it back on more than likely, and install a urd o2 sensor simulator.

    if you dont wanna go that route...you may look at trdparts4u.com or toyota of dallas' website.........i'd stick with oem if i were you. or try to find someone with a good used one.
     
  7. Dec 18, 2009 at 2:32 PM
    #7
    tacomaman06

    tacomaman06 [OP] Carolina Alliance: Enforcer

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    getting there....
    anyone here used/installed an o2 sensor simulator from urd?? how was the install?? im probably ordering mine soon.
     
  8. Dec 18, 2009 at 2:43 PM
    #8
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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    Will, check and see if the CAT is glowing after the engine reaches temp. That is the sign of a clogged CAT. That is what you symptoms sound like any way. For the time being, you could knock a hole through the ceramic to see if it gives your engine some relief. Only do it if you are getting the sim and you are certain the CAT is FUBAR.
     
  9. Dec 18, 2009 at 2:58 PM
    #9
    tacomaman06

    tacomaman06 [OP] Carolina Alliance: Enforcer

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    getting there....
    its not glowing.......but im thinking its partially clogged up......still a lil breathing room. im gonna park it in my garage and climb under to see if i can unbolt it enough to break the cone outta the inside.
     
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