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P0420 --> cat conv

Discussion in 'Technical Chat' started by hokietruck, Oct 15, 2010.

  1. Oct 15, 2010 at 10:37 AM
    #1
    hokietruck

    hokietruck [OP] New Member

    Joined:
    Oct 15, 2010
    Member:
    #44701
    Messages:
    1
    Gender:
    Male
    Northern Va
    Vehicle:
    02 TRD 3.4 - 170k
    I can see we can file this topic under commonly searched/quoted; forgive me for my lazyness, but i'm at work and want to get in and out:
    Real quick:
    2002 TRD 3.4L 6 170kmiles.
    Dealer stated w/ that code - rec replacement of cat converter assy - $2900 parts and laber.
    I have emissions in 1 yr, so i'll ride it out; all the while thinking that quote is ludicrous.

    Thoughts/Recommendations.
    Thanks.
     
  2. Oct 15, 2010 at 11:12 AM
    #2
    biscuits87

    biscuits87 Well-Known Member

    Joined:
    Oct 14, 2010
    Member:
    #44639
    Messages:
    60
    Gender:
    Male
    First Name:
    Will
    St J, VT
    Vehicle:
    10 TRD Off Road V6 6-speed
    Avid Light Bar
    Advance Auto Parts has a direct fit cat converter for $225. If you look around you can probably get it cheaper or even go with a universal fit one under $100.
     
  3. Mar 1, 2011 at 9:35 PM
    #3
    The Munster

    The Munster I like turtles!!!

    Joined:
    Oct 7, 2010
    Member:
    #44355
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    First Name:
    Lance
    Moody AFB, GA
    DON"T BUY AFTERMARKET.. aftermarket ones just aren't efficient enough for toyotas standards. you'll buy those MIL light comes back on then your buying factory cats... replace the post cat o2 sensor(bank * sensor 2) crap from the destroyed cat contaminates the sensor
     
  4. Mar 1, 2011 at 9:40 PM
    #4
    ETaco23

    ETaco23 Marshall offroad Fabrication

    Joined:
    Feb 2, 2008
    Member:
    #4544
    Messages:
    5,327
    Gender:
    Male
    First Name:
    Evan
    PNW
    Vehicle:
    13' Pyrite Mica TRD Offroad DCSB 4x4
    Color Match Grille, Bed mat, Icon's with JBA UCA's, Dakars and 295 BFG KO2, Bora 1" spacers, Snugtop Canopy, and my "Marshall Fabrication" Rock Sliders.
    Just to let you know, I had that same code with my 02 Taco and it ended up being my o2 sensor's....
    Have you checked those? they usually will go bad before a cat. will.....
     
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